Home / 143,368.38-215,060.94-43,531.83

Finding the Fourth Proportional to 143,368.38, 215,060.94 and 43,531.83

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Solution

The fourth proportional to 143,368.38, 215,060.94 and 43,531.83 is: 65,300.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,368.38 : 215,060.94 = 43,531.83 : x
  2. Step 2: Convert to fraction form
    143,368.38/215,060.94 = 43,531.83/x
  3. Step 3: Cross multiply
    143,368.38x = 215,060.94 × 43,531.83
  4. Step 4: Simplify right side
    143,368.38x = 9,361,996,279.72
  5. Step 5: Solve for x
    x = 9,361,996,279.72/143,368.38
  6. Step 6: Final answer
    x = 65,300.29

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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.