Home / 154,377.67-231,534.11-43,543.75

Finding the Fourth Proportional to 154,377.67, 231,534.11 and 43,543.75

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Solution

The fourth proportional to 154,377.67, 231,534.11 and 43,543.75 is: 65,306.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,377.67 : 231,534.11 = 43,543.75 : x
  2. Step 2: Convert to fraction form
    154,377.67/231,534.11 = 43,543.75/x
  3. Step 3: Cross multiply
    154,377.67x = 231,534.11 × 43,543.75
  4. Step 4: Simplify right side
    154,377.67x = 10,081,863,184.59
  5. Step 5: Solve for x
    x = 10,081,863,184.59/154,377.67
  6. Step 6: Final answer
    x = 65,306.49

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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.