Home / 143,964.52-215,988.28-44,139.44

Finding the Fourth Proportional to 143,964.52, 215,988.28 and 44,139.44

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Solution

The fourth proportional to 143,964.52, 215,988.28 and 44,139.44 is: 66,221.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,964.52 : 215,988.28 = 44,139.44 : x
  2. Step 2: Convert to fraction form
    143,964.52/215,988.28 = 44,139.44/x
  3. Step 3: Cross multiply
    143,964.52x = 215,988.28 × 44,139.44
  4. Step 4: Simplify right side
    143,964.52x = 9,533,601,725.76
  5. Step 5: Solve for x
    x = 9,533,601,725.76/143,964.52
  6. Step 6: Final answer
    x = 66,221.89

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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.