Home / 129,238.91-193,889.34-62,601.15

Finding the Fourth Proportional to 129,238.91, 193,889.34 and 62,601.15

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Solution

The fourth proportional to 129,238.91, 193,889.34 and 62,601.15 is: 93,916.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,238.91 : 193,889.34 = 62,601.15 : x
  2. Step 2: Convert to fraction form
    129,238.91/193,889.34 = 62,601.15/x
  3. Step 3: Cross multiply
    129,238.91x = 193,889.34 × 62,601.15
  4. Step 4: Simplify right side
    129,238.91x = 12,137,695,656.74
  5. Step 5: Solve for x
    x = 12,137,695,656.74/129,238.91
  6. Step 6: Final answer
    x = 93,916.73

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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.