Home / 124,238.52-186,338.68-68,106.44

Finding the Fourth Proportional to 124,238.52, 186,338.68 and 68,106.44

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Solution

The fourth proportional to 124,238.52, 186,338.68 and 68,106.44 is: 102,149.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,238.52 : 186,338.68 = 68,106.44 : x
  2. Step 2: Convert to fraction form
    124,238.52/186,338.68 = 68,106.44/x
  3. Step 3: Cross multiply
    124,238.52x = 186,338.68 × 68,106.44
  4. Step 4: Simplify right side
    124,238.52x = 12,690,864,129.10
  5. Step 5: Solve for x
    x = 12,690,864,129.10/124,238.52
  6. Step 6: Final answer
    x = 102,149.19

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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.