Home / 132,981.26-199,578.19-68,957.59

Finding the Fourth Proportional to 132,981.26, 199,578.19 and 68,957.59

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Solution

The fourth proportional to 132,981.26, 199,578.19 and 68,957.59 is: 103,491.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,981.26 : 199,578.19 = 68,957.59 : x
  2. Step 2: Convert to fraction form
    132,981.26/199,578.19 = 68,957.59/x
  3. Step 3: Cross multiply
    132,981.26x = 199,578.19 × 68,957.59
  4. Step 4: Simplify right side
    132,981.26x = 13,762,431,700.98
  5. Step 5: Solve for x
    x = 13,762,431,700.98/132,981.26
  6. Step 6: Final answer
    x = 103,491.51

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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.