Home / 150,581.20-225,789.29-69,440.14

Finding the Fourth Proportional to 150,581.20, 225,789.29 and 69,440.14

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Solution

The fourth proportional to 150,581.20, 225,789.29 and 69,440.14 is: 104,122.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,581.20 : 225,789.29 = 69,440.14 : x
  2. Step 2: Convert to fraction form
    150,581.20/225,789.29 = 69,440.14/x
  3. Step 3: Cross multiply
    150,581.20x = 225,789.29 × 69,440.14
  4. Step 4: Simplify right side
    150,581.20x = 15,678,839,908.10
  5. Step 5: Solve for x
    x = 15,678,839,908.10/150,581.20
  6. Step 6: Final answer
    x = 104,122.16

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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.