Home / 121,446.20-182,169.30-88,009.40

Finding the Fourth Proportional to 121,446.20, 182,169.30 and 88,009.40

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Solution

The fourth proportional to 121,446.20, 182,169.30 and 88,009.40 is: 132,014.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,446.20 : 182,169.30 = 88,009.40 : x
  2. Step 2: Convert to fraction form
    121,446.20/182,169.30 = 88,009.40/x
  3. Step 3: Cross multiply
    121,446.20x = 182,169.30 × 88,009.40
  4. Step 4: Simplify right side
    121,446.20x = 16,032,610,791.42
  5. Step 5: Solve for x
    x = 16,032,610,791.42/121,446.20
  6. Step 6: Final answer
    x = 132,014.10

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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.