Home / 154,491.23-231,549.71-65,557.91

Finding the Fourth Proportional to 154,491.23, 231,549.71 and 65,557.91

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Solution

The fourth proportional to 154,491.23, 231,549.71 and 65,557.91 is: 98,257.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,491.23 : 231,549.71 = 65,557.91 : x
  2. Step 2: Convert to fraction form
    154,491.23/231,549.71 = 65,557.91/x
  3. Step 3: Cross multiply
    154,491.23x = 231,549.71 × 65,557.91
  4. Step 4: Simplify right side
    154,491.23x = 15,179,915,791.48
  5. Step 5: Solve for x
    x = 15,179,915,791.48/154,491.23
  6. Step 6: Final answer
    x = 98,257.46

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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.