Home / 154,382.92-231,576.16-54,472.96

Finding the Fourth Proportional to 154,382.92, 231,576.16 and 54,472.96

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Solution

The fourth proportional to 154,382.92, 231,576.16 and 54,472.96 is: 81,710.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,382.92 : 231,576.16 = 54,472.96 : x
  2. Step 2: Convert to fraction form
    154,382.92/231,576.16 = 54,472.96/x
  3. Step 3: Cross multiply
    154,382.92x = 231,576.16 × 54,472.96
  4. Step 4: Simplify right side
    154,382.92x = 12,614,638,900.63
  5. Step 5: Solve for x
    x = 12,614,638,900.63/154,382.92
  6. Step 6: Final answer
    x = 81,710.07

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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.