Home / 154,581.03-231,793.65-54,727.20

Finding the Fourth Proportional to 154,581.03, 231,793.65 and 54,727.20

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Solution

The fourth proportional to 154,581.03, 231,793.65 and 54,727.20 is: 82,063.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,581.03 : 231,793.65 = 54,727.20 : x
  2. Step 2: Convert to fraction form
    154,581.03/231,793.65 = 54,727.20/x
  3. Step 3: Cross multiply
    154,581.03x = 231,793.65 × 54,727.20
  4. Step 4: Simplify right side
    154,581.03x = 12,685,417,442.28
  5. Step 5: Solve for x
    x = 12,685,417,442.28/154,581.03
  6. Step 6: Final answer
    x = 82,063.22

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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.