Home / 124,203.70-186,429.15-57,658.90

Finding the Fourth Proportional to 124,203.70, 186,429.15 and 57,658.90

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Solution

The fourth proportional to 124,203.70, 186,429.15 and 57,658.90 is: 86,545.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,203.70 : 186,429.15 = 57,658.90 : x
  2. Step 2: Convert to fraction form
    124,203.70/186,429.15 = 57,658.90/x
  3. Step 3: Cross multiply
    124,203.70x = 186,429.15 × 57,658.90
  4. Step 4: Simplify right side
    124,203.70x = 10,749,299,716.94
  5. Step 5: Solve for x
    x = 10,749,299,716.94/124,203.70
  6. Step 6: Final answer
    x = 86,545.73

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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.