Home / 121,352.30-181,885.49-54,714.41

Finding the Fourth Proportional to 121,352.30, 181,885.49 and 54,714.41

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Solution

The fourth proportional to 121,352.30, 181,885.49 and 54,714.41 is: 82,007.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,352.30 : 181,885.49 = 54,714.41 : x
  2. Step 2: Convert to fraction form
    121,352.30/181,885.49 = 54,714.41/x
  3. Step 3: Cross multiply
    121,352.30x = 181,885.49 × 54,714.41
  4. Step 4: Simplify right side
    121,352.30x = 9,951,757,454.05
  5. Step 5: Solve for x
    x = 9,951,757,454.05/121,352.30
  6. Step 6: Final answer
    x = 82,007.16

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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.