Home / 144,575.39-216,777.87-67,553.19

Finding the Fourth Proportional to 144,575.39, 216,777.87 and 67,553.19

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Solution

The fourth proportional to 144,575.39, 216,777.87 and 67,553.19 is: 101,289.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,575.39 : 216,777.87 = 67,553.19 : x
  2. Step 2: Convert to fraction form
    144,575.39/216,777.87 = 67,553.19/x
  3. Step 3: Cross multiply
    144,575.39x = 216,777.87 × 67,553.19
  4. Step 4: Simplify right side
    144,575.39x = 14,644,036,639.91
  5. Step 5: Solve for x
    x = 14,644,036,639.91/144,575.39
  6. Step 6: Final answer
    x = 101,289.97

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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.