Home / 150,066.90-207,110.18-86,417.10

Finding the Fourth Proportional to 150,066.90, 207,110.18 and 86,417.10

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Solution

The fourth proportional to 150,066.90, 207,110.18 and 86,417.10 is: 119,265.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,066.90 : 207,110.18 = 86,417.10 : x
  2. Step 2: Convert to fraction form
    150,066.90/207,110.18 = 86,417.10/x
  3. Step 3: Cross multiply
    150,066.90x = 207,110.18 × 86,417.10
  4. Step 4: Simplify right side
    150,066.90x = 17,897,861,352.12
  5. Step 5: Solve for x
    x = 17,897,861,352.12/150,066.90
  6. Step 6: Final answer
    x = 119,265.88

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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.