Home / 154,519.37-231,876.56-65,772.73

Finding the Fourth Proportional to 154,519.37, 231,876.56 and 65,772.73

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Solution

The fourth proportional to 154,519.37, 231,876.56 and 65,772.73 is: 98,700.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,519.37 : 231,876.56 = 65,772.73 : x
  2. Step 2: Convert to fraction form
    154,519.37/231,876.56 = 65,772.73/x
  3. Step 3: Cross multiply
    154,519.37x = 231,876.56 × 65,772.73
  4. Step 4: Simplify right side
    154,519.37x = 15,251,153,465.65
  5. Step 5: Solve for x
    x = 15,251,153,465.65/154,519.37
  6. Step 6: Final answer
    x = 98,700.60

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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.