Home / 179,640.10-269,460.15-132,400.90

Finding the Fourth Proportional to 179,640.10, 269,460.15 and 132,400.90

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Solution

The fourth proportional to 179,640.10, 269,460.15 and 132,400.90 is: 198,601.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,640.10 : 269,460.15 = 132,400.90 : x
  2. Step 2: Convert to fraction form
    179,640.10/269,460.15 = 132,400.90/x
  3. Step 3: Cross multiply
    179,640.10x = 269,460.15 × 132,400.90
  4. Step 4: Simplify right side
    179,640.10x = 35,676,766,374.14
  5. Step 5: Solve for x
    x = 35,676,766,374.14/179,640.10
  6. Step 6: Final answer
    x = 198,601.35

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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.