Home / 150,239.24-207,340.08-86,581.10

Finding the Fourth Proportional to 150,239.24, 207,340.08 and 86,581.10

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Solution

The fourth proportional to 150,239.24, 207,340.08 and 86,581.10 is: 119,487.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,239.24 : 207,340.08 = 86,581.10 : x
  2. Step 2: Convert to fraction form
    150,239.24/207,340.08 = 86,581.10/x
  3. Step 3: Cross multiply
    150,239.24x = 207,340.08 × 86,581.10
  4. Step 4: Simplify right side
    150,239.24x = 17,951,732,200.49
  5. Step 5: Solve for x
    x = 17,951,732,200.49/150,239.24
  6. Step 6: Final answer
    x = 119,487.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.