Home / 631,312.20-946,968.30-157,996.80

Finding the Fourth Proportional to 631,312.20, 946,968.30 and 157,996.80

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Solution

The fourth proportional to 631,312.20, 946,968.30 and 157,996.80 is: 236,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,312.20 : 946,968.30 = 157,996.80 : x
  2. Step 2: Convert to fraction form
    631,312.20/946,968.30 = 157,996.80/x
  3. Step 3: Cross multiply
    631,312.20x = 946,968.30 × 157,996.80
  4. Step 4: Simplify right side
    631,312.20x = 149,617,961,101.44
  5. Step 5: Solve for x
    x = 149,617,961,101.44/631,312.20
  6. Step 6: Final answer
    x = 236,995.20

Related Problems

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Half scale
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Double scale
Find fourth proportional to 631,313.20, 946,969.80 and 157,997.80
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.