Home / 121,876.11-182,666.52-107,113.86

Finding the Fourth Proportional to 121,876.11, 182,666.52 and 107,113.86

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Solution

The fourth proportional to 121,876.11, 182,666.52 and 107,113.86 is: 160,541.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,876.11 : 182,666.52 = 107,113.86 : x
  2. Step 2: Convert to fraction form
    121,876.11/182,666.52 = 107,113.86/x
  3. Step 3: Cross multiply
    121,876.11x = 182,666.52 × 107,113.86
  4. Step 4: Simplify right side
    121,876.11x = 19,566,116,049.97
  5. Step 5: Solve for x
    x = 19,566,116,049.97/121,876.11
  6. Step 6: Final answer
    x = 160,541.03

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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.