Home / 146,632.26-220,103.92-129,874.06

Finding the Fourth Proportional to 146,632.26, 220,103.92 and 129,874.06

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Solution

The fourth proportional to 146,632.26, 220,103.92 and 129,874.06 is: 194,948.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,632.26 : 220,103.92 = 129,874.06 : x
  2. Step 2: Convert to fraction form
    146,632.26/220,103.92 = 129,874.06/x
  3. Step 3: Cross multiply
    146,632.26x = 220,103.92 × 129,874.06
  4. Step 4: Simplify right side
    146,632.26x = 28,585,789,712.32
  5. Step 5: Solve for x
    x = 28,585,789,712.32/146,632.26
  6. Step 6: Final answer
    x = 194,948.84

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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.