Home / 132,364.10-198,546.15-126,220.10

Finding the Fourth Proportional to 132,364.10, 198,546.15 and 126,220.10

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Solution

The fourth proportional to 132,364.10, 198,546.15 and 126,220.10 is: 189,330.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,364.10 : 198,546.15 = 126,220.10 : x
  2. Step 2: Convert to fraction form
    132,364.10/198,546.15 = 126,220.10/x
  3. Step 3: Cross multiply
    132,364.10x = 198,546.15 × 126,220.10
  4. Step 4: Simplify right side
    132,364.10x = 25,060,514,907.62
  5. Step 5: Solve for x
    x = 25,060,514,907.62/132,364.10
  6. Step 6: Final answer
    x = 189,330.15

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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.