Home / 157,178.07-216,872.10-93,503.43

Finding the Fourth Proportional to 157,178.07, 216,872.10 and 93,503.43

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Solution

The fourth proportional to 157,178.07, 216,872.10 and 93,503.43 is: 129,014.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,178.07 : 216,872.10 = 93,503.43 : x
  2. Step 2: Convert to fraction form
    157,178.07/216,872.10 = 93,503.43/x
  3. Step 3: Cross multiply
    157,178.07x = 216,872.10 × 93,503.43
  4. Step 4: Simplify right side
    157,178.07x = 20,278,285,221.30
  5. Step 5: Solve for x
    x = 20,278,285,221.30/157,178.07
  6. Step 6: Final answer
    x = 129,014.72

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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.