Home / 157,693.30-217,637.60-89,697.15

Finding the Fourth Proportional to 157,693.30, 217,637.60 and 89,697.15

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Solution

The fourth proportional to 157,693.30, 217,637.60 and 89,697.15 is: 123,793.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,693.30 : 217,637.60 = 89,697.15 : x
  2. Step 2: Convert to fraction form
    157,693.30/217,637.60 = 89,697.15/x
  3. Step 3: Cross multiply
    157,693.30x = 217,637.60 × 89,697.15
  4. Step 4: Simplify right side
    157,693.30x = 19,521,472,452.84
  5. Step 5: Solve for x
    x = 19,521,472,452.84/157,693.30
  6. Step 6: Final answer
    x = 123,793.92

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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.