Home / 157,823.28-217,739.53-93,278.97

Finding the Fourth Proportional to 157,823.28, 217,739.53 and 93,278.97

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Solution

The fourth proportional to 157,823.28, 217,739.53 and 93,278.97 is: 128,691.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,823.28 : 217,739.53 = 93,278.97 : x
  2. Step 2: Convert to fraction form
    157,823.28/217,739.53 = 93,278.97/x
  3. Step 3: Cross multiply
    157,823.28x = 217,739.53 × 93,278.97
  4. Step 4: Simplify right side
    157,823.28x = 20,310,517,764.79
  5. Step 5: Solve for x
    x = 20,310,517,764.79/157,823.28
  6. Step 6: Final answer
    x = 128,691.52

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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.