Home / 150,013.14-225,130.44-71,127.66

Finding the Fourth Proportional to 150,013.14, 225,130.44 and 71,127.66

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Solution

The fourth proportional to 150,013.14, 225,130.44 and 71,127.66 is: 106,743.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,013.14 : 225,130.44 = 71,127.66 : x
  2. Step 2: Convert to fraction form
    150,013.14/225,130.44 = 71,127.66/x
  3. Step 3: Cross multiply
    150,013.14x = 225,130.44 × 71,127.66
  4. Step 4: Simplify right side
    150,013.14x = 16,013,001,391.97
  5. Step 5: Solve for x
    x = 16,013,001,391.97/150,013.14
  6. Step 6: Final answer
    x = 106,743.99

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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.