Home / 146,806.20-220,209.30-132,521.40

Finding the Fourth Proportional to 146,806.20, 220,209.30 and 132,521.40

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Solution

The fourth proportional to 146,806.20, 220,209.30 and 132,521.40 is: 198,782.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,806.20 : 220,209.30 = 132,521.40 : x
  2. Step 2: Convert to fraction form
    146,806.20/220,209.30 = 132,521.40/x
  3. Step 3: Cross multiply
    146,806.20x = 220,209.30 × 132,521.40
  4. Step 4: Simplify right side
    146,806.20x = 29,182,444,729.02
  5. Step 5: Solve for x
    x = 29,182,444,729.02/146,806.20
  6. Step 6: Final answer
    x = 198,782.10

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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.