Home / 150,583.52-207,805.25-86,921.32

Finding the Fourth Proportional to 150,583.52, 207,805.25 and 86,921.32

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Solution

The fourth proportional to 150,583.52, 207,805.25 and 86,921.32 is: 119,951.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,583.52 : 207,805.25 = 86,921.32 : x
  2. Step 2: Convert to fraction form
    150,583.52/207,805.25 = 86,921.32/x
  3. Step 3: Cross multiply
    150,583.52x = 207,805.25 × 86,921.32
  4. Step 4: Simplify right side
    150,583.52x = 18,062,706,720.36
  5. Step 5: Solve for x
    x = 18,062,706,720.36/150,583.52
  6. Step 6: Final answer
    x = 119,951.42

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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.