Home / 146,726.56-220,177.28-53,239.60

Finding the Fourth Proportional to 146,726.56, 220,177.28 and 53,239.60

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Solution

The fourth proportional to 146,726.56, 220,177.28 and 53,239.60 is: 79,891.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,726.56 : 220,177.28 = 53,239.60 : x
  2. Step 2: Convert to fraction form
    146,726.56/220,177.28 = 53,239.60/x
  3. Step 3: Cross multiply
    146,726.56x = 220,177.28 × 53,239.60
  4. Step 4: Simplify right side
    146,726.56x = 11,722,150,316.29
  5. Step 5: Solve for x
    x = 11,722,150,316.29/146,726.56
  6. Step 6: Final answer
    x = 79,891.13

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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.