Home / 157,583.80-217,468.56-85,966.30

Finding the Fourth Proportional to 157,583.80, 217,468.56 and 85,966.30

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Solution

The fourth proportional to 157,583.80, 217,468.56 and 85,966.30 is: 118,635.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,583.80 : 217,468.56 = 85,966.30 : x
  2. Step 2: Convert to fraction form
    157,583.80/217,468.56 = 85,966.30/x
  3. Step 3: Cross multiply
    157,583.80x = 217,468.56 × 85,966.30
  4. Step 4: Simplify right side
    157,583.80x = 18,694,967,469.53
  5. Step 5: Solve for x
    x = 18,694,967,469.53/157,583.80
  6. Step 6: Final answer
    x = 118,635.08

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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.