Home / 132,810.75-199,255.14-39,318.93

Finding the Fourth Proportional to 132,810.75, 199,255.14 and 39,318.93

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Solution

The fourth proportional to 132,810.75, 199,255.14 and 39,318.93 is: 58,989.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,810.75 : 199,255.14 = 39,318.93 : x
  2. Step 2: Convert to fraction form
    132,810.75/199,255.14 = 39,318.93/x
  3. Step 3: Cross multiply
    132,810.75x = 199,255.14 × 39,318.93
  4. Step 4: Simplify right side
    132,810.75x = 7,834,498,901.80
  5. Step 5: Solve for x
    x = 7,834,498,901.80/132,810.75
  6. Step 6: Final answer
    x = 58,989.95

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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.