Home / 154,371.14-231,549.76-64,376.80

Finding the Fourth Proportional to 154,371.14, 231,549.76 and 64,376.80

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Solution

The fourth proportional to 154,371.14, 231,549.76 and 64,376.80 is: 96,562.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,371.14 : 231,549.76 = 64,376.80 : x
  2. Step 2: Convert to fraction form
    154,371.14/231,549.76 = 64,376.80/x
  3. Step 3: Cross multiply
    154,371.14x = 231,549.76 × 64,376.80
  4. Step 4: Simplify right side
    154,371.14x = 14,906,431,109.94
  5. Step 5: Solve for x
    x = 14,906,431,109.94/154,371.14
  6. Step 6: Final answer
    x = 96,562.29

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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.