Home / 154,618.82-231,924.58-49,438.70

Finding the Fourth Proportional to 154,618.82, 231,924.58 and 49,438.70

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Solution

The fourth proportional to 154,618.82, 231,924.58 and 49,438.70 is: 74,156.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,618.82 : 231,924.58 = 49,438.70 : x
  2. Step 2: Convert to fraction form
    154,618.82/231,924.58 = 49,438.70/x
  3. Step 3: Cross multiply
    154,618.82x = 231,924.58 × 49,438.70
  4. Step 4: Simplify right side
    154,618.82x = 11,466,049,733.25
  5. Step 5: Solve for x
    x = 11,466,049,733.25/154,618.82
  6. Step 6: Final answer
    x = 74,156.88

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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.