Home / 150,247.06-207,387.06-86,627.20

Finding the Fourth Proportional to 150,247.06, 207,387.06 and 86,627.20

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Solution

The fourth proportional to 150,247.06, 207,387.06 and 86,627.20 is: 119,572.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,247.06 : 207,387.06 = 86,627.20 : x
  2. Step 2: Convert to fraction form
    150,247.06/207,387.06 = 86,627.20/x
  3. Step 3: Cross multiply
    150,247.06x = 207,387.06 × 86,627.20
  4. Step 4: Simplify right side
    150,247.06x = 17,965,360,324.03
  5. Step 5: Solve for x
    x = 17,965,360,324.03/150,247.06
  6. Step 6: Final answer
    x = 119,572.13

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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.