Home / 147,029.76-220,836.24-125,961.66

Finding the Fourth Proportional to 147,029.76, 220,836.24 and 125,961.66

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Solution

The fourth proportional to 147,029.76, 220,836.24 and 125,961.66 is: 189,192.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,029.76 : 220,836.24 = 125,961.66 : x
  2. Step 2: Convert to fraction form
    147,029.76/220,836.24 = 125,961.66/x
  3. Step 3: Cross multiply
    147,029.76x = 220,836.24 × 125,961.66
  4. Step 4: Simplify right side
    147,029.76x = 27,816,899,378.56
  5. Step 5: Solve for x
    x = 27,816,899,378.56/147,029.76
  6. Step 6: Final answer
    x = 189,192.31

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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.