Home / 124,765.40-187,148.10-45,863.30

Finding the Fourth Proportional to 124,765.40, 187,148.10 and 45,863.30

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Solution

The fourth proportional to 124,765.40, 187,148.10 and 45,863.30 is: 68,794.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,765.40 : 187,148.10 = 45,863.30 : x
  2. Step 2: Convert to fraction form
    124,765.40/187,148.10 = 45,863.30/x
  3. Step 3: Cross multiply
    124,765.40x = 187,148.10 × 45,863.30
  4. Step 4: Simplify right side
    124,765.40x = 8,583,229,454.73
  5. Step 5: Solve for x
    x = 8,583,229,454.73/124,765.40
  6. Step 6: Final answer
    x = 68,794.95

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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.