Home / 146,811.80-220,217.70-124,002.20

Finding the Fourth Proportional to 146,811.80, 220,217.70 and 124,002.20

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Solution

The fourth proportional to 146,811.80, 220,217.70 and 124,002.20 is: 186,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,811.80 : 220,217.70 = 124,002.20 : x
  2. Step 2: Convert to fraction form
    146,811.80/220,217.70 = 124,002.20/x
  3. Step 3: Cross multiply
    146,811.80x = 220,217.70 × 124,002.20
  4. Step 4: Simplify right side
    146,811.80x = 27,307,479,278.94
  5. Step 5: Solve for x
    x = 27,307,479,278.94/146,811.80
  6. Step 6: Final answer
    x = 186,003.30

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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.