Home / 129,092.14-193,714-54,206.52

Finding the Fourth Proportional to 129,092.14, 193,714 and 54,206.52

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Solution

The fourth proportional to 129,092.14, 193,714 and 54,206.52 is: 81,341.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,092.14 : 193,714 = 54,206.52 : x
  2. Step 2: Convert to fraction form
    129,092.14/193,714 = 54,206.52/x
  3. Step 3: Cross multiply
    129,092.14x = 193,714 × 54,206.52
  4. Step 4: Simplify right side
    129,092.14x = 10,500,561,815.28
  5. Step 5: Solve for x
    x = 10,500,561,815.28/129,092.14
  6. Step 6: Final answer
    x = 81,341.60

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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.