Home / 146,719.77-220,079.66-76,582.68

Finding the Fourth Proportional to 146,719.77, 220,079.66 and 76,582.68

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Solution

The fourth proportional to 146,719.77, 220,079.66 and 76,582.68 is: 114,874.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,719.77 : 220,079.66 = 76,582.68 : x
  2. Step 2: Convert to fraction form
    146,719.77/220,079.66 = 76,582.68/x
  3. Step 3: Cross multiply
    146,719.77x = 220,079.66 × 76,582.68
  4. Step 4: Simplify right side
    146,719.77x = 16,854,289,793.38
  5. Step 5: Solve for x
    x = 16,854,289,793.38/146,719.77
  6. Step 6: Final answer
    x = 114,874.02

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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.