Home / 140,006.88-193,175.28-89,773.92

Finding the Fourth Proportional to 140,006.88, 193,175.28 and 89,773.92

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Solution

The fourth proportional to 140,006.88, 193,175.28 and 89,773.92 is: 123,866.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,006.88 : 193,175.28 = 89,773.92 : x
  2. Step 2: Convert to fraction form
    140,006.88/193,175.28 = 89,773.92/x
  3. Step 3: Cross multiply
    140,006.88x = 193,175.28 × 89,773.92
  4. Step 4: Simplify right side
    140,006.88x = 17,342,102,132.70
  5. Step 5: Solve for x
    x = 17,342,102,132.70/140,006.88
  6. Step 6: Final answer
    x = 123,866.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.