Home / 219,734.10-329,601.15-126,422.10

Finding the Fourth Proportional to 219,734.10, 329,601.15 and 126,422.10

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Solution

The fourth proportional to 219,734.10, 329,601.15 and 126,422.10 is: 189,633.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,734.10 : 329,601.15 = 126,422.10 : x
  2. Step 2: Convert to fraction form
    219,734.10/329,601.15 = 126,422.10/x
  3. Step 3: Cross multiply
    219,734.10x = 329,601.15 × 126,422.10
  4. Step 4: Simplify right side
    219,734.10x = 41,668,869,545.42
  5. Step 5: Solve for x
    x = 41,668,869,545.42/219,734.10
  6. Step 6: Final answer
    x = 189,633.15

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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.