Home / 146,901.20-220,351.80-132,616.40

Finding the Fourth Proportional to 146,901.20, 220,351.80 and 132,616.40

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Solution

The fourth proportional to 146,901.20, 220,351.80 and 132,616.40 is: 198,924.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,901.20 : 220,351.80 = 132,616.40 : x
  2. Step 2: Convert to fraction form
    146,901.20/220,351.80 = 132,616.40/x
  3. Step 3: Cross multiply
    146,901.20x = 220,351.80 × 132,616.40
  4. Step 4: Simplify right side
    146,901.20x = 29,222,262,449.52
  5. Step 5: Solve for x
    x = 29,222,262,449.52/146,901.20
  6. Step 6: Final answer
    x = 198,924.60

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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.