Home / 108,324.20-162,332.70-80,023.40

Finding the Fourth Proportional to 108,324.20, 162,332.70 and 80,023.40

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Solution

The fourth proportional to 108,324.20, 162,332.70 and 80,023.40 is: 119,921.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,324.20 : 162,332.70 = 80,023.40 : x
  2. Step 2: Convert to fraction form
    108,324.20/162,332.70 = 80,023.40/x
  3. Step 3: Cross multiply
    108,324.20x = 162,332.70 × 80,023.40
  4. Step 4: Simplify right side
    108,324.20x = 12,990,414,585.18
  5. Step 5: Solve for x
    x = 12,990,414,585.18/108,324.20
  6. Step 6: Final answer
    x = 119,921.63

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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.