Home / 179,221.20-268,831.80-54,562.20

Finding the Fourth Proportional to 179,221.20, 268,831.80 and 54,562.20

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Solution

The fourth proportional to 179,221.20, 268,831.80 and 54,562.20 is: 81,843.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,221.20 : 268,831.80 = 54,562.20 : x
  2. Step 2: Convert to fraction form
    179,221.20/268,831.80 = 54,562.20/x
  3. Step 3: Cross multiply
    179,221.20x = 268,831.80 × 54,562.20
  4. Step 4: Simplify right side
    179,221.20x = 14,668,054,437.96
  5. Step 5: Solve for x
    x = 14,668,054,437.96/179,221.20
  6. Step 6: Final answer
    x = 81,843.30

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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.