Home / 154,411.20-231,577.92-60,917.76

Finding the Fourth Proportional to 154,411.20, 231,577.92 and 60,917.76

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Solution

The fourth proportional to 154,411.20, 231,577.92 and 60,917.76 is: 91,361.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,411.20 : 231,577.92 = 60,917.76 : x
  2. Step 2: Convert to fraction form
    154,411.20/231,577.92 = 60,917.76/x
  3. Step 3: Cross multiply
    154,411.20x = 231,577.92 × 60,917.76
  4. Step 4: Simplify right side
    154,411.20x = 14,107,208,151.86
  5. Step 5: Solve for x
    x = 14,107,208,151.86/154,411.20
  6. Step 6: Final answer
    x = 91,361.30

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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.