Home / 154,005.28-231,007.86-57,960.52

Finding the Fourth Proportional to 154,005.28, 231,007.86 and 57,960.52

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Solution

The fourth proportional to 154,005.28, 231,007.86 and 57,960.52 is: 86,940.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,005.28 : 231,007.86 = 57,960.52 : x
  2. Step 2: Convert to fraction form
    154,005.28/231,007.86 = 57,960.52/x
  3. Step 3: Cross multiply
    154,005.28x = 231,007.86 × 57,960.52
  4. Step 4: Simplify right side
    154,005.28x = 13,389,335,689.69
  5. Step 5: Solve for x
    x = 13,389,335,689.69/154,005.28
  6. Step 6: Final answer
    x = 86,940.76

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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.