Home / 190,914.20-286,371.30-159,810.20

Finding the Fourth Proportional to 190,914.20, 286,371.30 and 159,810.20

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Solution

The fourth proportional to 190,914.20, 286,371.30 and 159,810.20 is: 239,715.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,914.20 : 286,371.30 = 159,810.20 : x
  2. Step 2: Convert to fraction form
    190,914.20/286,371.30 = 159,810.20/x
  3. Step 3: Cross multiply
    190,914.20x = 286,371.30 × 159,810.20
  4. Step 4: Simplify right side
    190,914.20x = 45,765,054,727.26
  5. Step 5: Solve for x
    x = 45,765,054,727.26/190,914.20
  6. Step 6: Final answer
    x = 239,715.30

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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.