Home / 143,687.50-215,531.26-43,848.22

Finding the Fourth Proportional to 143,687.50, 215,531.26 and 43,848.22

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Solution

The fourth proportional to 143,687.50, 215,531.26 and 43,848.22 is: 65,772.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,687.50 : 215,531.26 = 43,848.22 : x
  2. Step 2: Convert to fraction form
    143,687.50/215,531.26 = 43,848.22/x
  3. Step 3: Cross multiply
    143,687.50x = 215,531.26 × 43,848.22
  4. Step 4: Simplify right side
    143,687.50x = 9,450,661,456.91
  5. Step 5: Solve for x
    x = 9,450,661,456.91/143,687.50
  6. Step 6: Final answer
    x = 65,772.33

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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.