Home / 146,726.77-220,090.17-76,589.68

Finding the Fourth Proportional to 146,726.77, 220,090.17 and 76,589.68

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Solution

The fourth proportional to 146,726.77, 220,090.17 and 76,589.68 is: 114,884.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,726.77 : 220,090.17 = 76,589.68 : x
  2. Step 2: Convert to fraction form
    146,726.77/220,090.17 = 76,589.68/x
  3. Step 3: Cross multiply
    146,726.77x = 220,090.17 × 76,589.68
  4. Step 4: Simplify right side
    146,726.77x = 16,856,635,691.45
  5. Step 5: Solve for x
    x = 16,856,635,691.45/146,726.77
  6. Step 6: Final answer
    x = 114,884.53

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1.5x scale

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.