Home / 154,540.86-231,829.65-54,680.46

Finding the Fourth Proportional to 154,540.86, 231,829.65 and 54,680.46

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Solution

The fourth proportional to 154,540.86, 231,829.65 and 54,680.46 is: 82,027.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,540.86 : 231,829.65 = 54,680.46 : x
  2. Step 2: Convert to fraction form
    154,540.86/231,829.65 = 54,680.46/x
  3. Step 3: Cross multiply
    154,540.86x = 231,829.65 × 54,680.46
  4. Step 4: Simplify right side
    154,540.86x = 12,676,551,903.64
  5. Step 5: Solve for x
    x = 12,676,551,903.64/154,540.86
  6. Step 6: Final answer
    x = 82,027.19

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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.