Home / 157,799.46-217,753.62-86,164.92

Finding the Fourth Proportional to 157,799.46, 217,753.62 and 86,164.92

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Solution

The fourth proportional to 157,799.46, 217,753.62 and 86,164.92 is: 118,902.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,799.46 : 217,753.62 = 86,164.92 : x
  2. Step 2: Convert to fraction form
    157,799.46/217,753.62 = 86,164.92/x
  3. Step 3: Cross multiply
    157,799.46x = 217,753.62 × 86,164.92
  4. Step 4: Simplify right side
    157,799.46x = 18,762,723,247.01
  5. Step 5: Solve for x
    x = 18,762,723,247.01/157,799.46
  6. Step 6: Final answer
    x = 118,902.33

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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.