Home / 154,557.45-231,439.55-107,104.95

Finding the Fourth Proportional to 154,557.45, 231,439.55 and 107,104.95

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Solution

The fourth proportional to 154,557.45, 231,439.55 and 107,104.95 is: 160,382.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,557.45 : 231,439.55 = 107,104.95 : x
  2. Step 2: Convert to fraction form
    154,557.45/231,439.55 = 107,104.95/x
  3. Step 3: Cross multiply
    154,557.45x = 231,439.55 × 107,104.95
  4. Step 4: Simplify right side
    154,557.45x = 24,788,320,895.25
  5. Step 5: Solve for x
    x = 24,788,320,895.25/154,557.45
  6. Step 6: Final answer
    x = 160,382.57

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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.