Home / 265,900.35-398,517.91-132,817.76

Finding the Fourth Proportional to 265,900.35, 398,517.91 and 132,817.76

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Solution

The fourth proportional to 265,900.35, 398,517.91 and 132,817.76 is: 199,060.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,900.35 : 398,517.91 = 132,817.76 : x
  2. Step 2: Convert to fraction form
    265,900.35/398,517.91 = 132,817.76/x
  3. Step 3: Cross multiply
    265,900.35x = 398,517.91 × 132,817.76
  4. Step 4: Simplify right side
    265,900.35x = 52,930,256,126.08
  5. Step 5: Solve for x
    x = 52,930,256,126.08/265,900.35
  6. Step 6: Final answer
    x = 199,060.50

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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.