Home / 631,180.86-946,771.43-157,866.27

Finding the Fourth Proportional to 631,180.86, 946,771.43 and 157,866.27

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Solution

The fourth proportional to 631,180.86, 946,771.43 and 157,866.27 is: 236,799.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,180.86 : 946,771.43 = 157,866.27 : x
  2. Step 2: Convert to fraction form
    631,180.86/946,771.43 = 157,866.27/x
  3. Step 3: Cross multiply
    631,180.86x = 946,771.43 × 157,866.27
  4. Step 4: Simplify right side
    631,180.86x = 149,463,274,196.67
  5. Step 5: Solve for x
    x = 149,463,274,196.67/631,180.86
  6. Step 6: Final answer
    x = 236,799.44

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Half scale
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Double scale
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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.