Home / 200,738.20-301,118.70-88,471.16

Finding the Fourth Proportional to 200,738.20, 301,118.70 and 88,471.16

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Solution

The fourth proportional to 200,738.20, 301,118.70 and 88,471.16 is: 132,711.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,738.20 : 301,118.70 = 88,471.16 : x
  2. Step 2: Convert to fraction form
    200,738.20/301,118.70 = 88,471.16/x
  3. Step 3: Cross multiply
    200,738.20x = 301,118.70 × 88,471.16
  4. Step 4: Simplify right side
    200,738.20x = 26,640,320,686.69
  5. Step 5: Solve for x
    x = 26,640,320,686.69/200,738.20
  6. Step 6: Final answer
    x = 132,711.76

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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.