Home / 157,350.60-217,135.20-89,365.92

Finding the Fourth Proportional to 157,350.60, 217,135.20 and 89,365.92

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Solution

The fourth proportional to 157,350.60, 217,135.20 and 89,365.92 is: 123,320.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,350.60 : 217,135.20 = 89,365.92 : x
  2. Step 2: Convert to fraction form
    157,350.60/217,135.20 = 89,365.92/x
  3. Step 3: Cross multiply
    157,350.60x = 217,135.20 × 89,365.92
  4. Step 4: Simplify right side
    157,350.60x = 19,404,486,912.38
  5. Step 5: Solve for x
    x = 19,404,486,912.38/157,350.60
  6. Step 6: Final answer
    x = 123,320.07

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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.