Home / 143,853.24-215,753.88-38,647.59

Finding the Fourth Proportional to 143,853.24, 215,753.88 and 38,647.59

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Solution

The fourth proportional to 143,853.24, 215,753.88 and 38,647.59 is: 57,964.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,853.24 : 215,753.88 = 38,647.59 : x
  2. Step 2: Convert to fraction form
    143,853.24/215,753.88 = 38,647.59/x
  3. Step 3: Cross multiply
    143,853.24x = 215,753.88 × 38,647.59
  4. Step 4: Simplify right side
    143,853.24x = 8,338,367,495.15
  5. Step 5: Solve for x
    x = 8,338,367,495.15/143,853.24
  6. Step 6: Final answer
    x = 57,964.41

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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.