Home / 124,237.52-186,337.18-68,105.44

Finding the Fourth Proportional to 124,237.52, 186,337.18 and 68,105.44

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Solution

The fourth proportional to 124,237.52, 186,337.18 and 68,105.44 is: 102,147.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,237.52 : 186,337.18 = 68,105.44 : x
  2. Step 2: Convert to fraction form
    124,237.52/186,337.18 = 68,105.44/x
  3. Step 3: Cross multiply
    124,237.52x = 186,337.18 × 68,105.44
  4. Step 4: Simplify right side
    124,237.52x = 12,690,575,632.26
  5. Step 5: Solve for x
    x = 12,690,575,632.26/124,237.52
  6. Step 6: Final answer
    x = 102,147.69

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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.