Home / 170,743.17-256,105.50-52,414.53

Finding the Fourth Proportional to 170,743.17, 256,105.50 and 52,414.53

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Solution

The fourth proportional to 170,743.17, 256,105.50 and 52,414.53 is: 78,618.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,743.17 : 256,105.50 = 52,414.53 : x
  2. Step 2: Convert to fraction form
    170,743.17/256,105.50 = 52,414.53/x
  3. Step 3: Cross multiply
    170,743.17x = 256,105.50 × 52,414.53
  4. Step 4: Simplify right side
    170,743.17x = 13,423,649,412.92
  5. Step 5: Solve for x
    x = 13,423,649,412.92/170,743.17
  6. Step 6: Final answer
    x = 78,618.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.