Home / 132,721.20-199,081.80-58,849.20

Finding the Fourth Proportional to 132,721.20, 199,081.80 and 58,849.20

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Solution

The fourth proportional to 132,721.20, 199,081.80 and 58,849.20 is: 88,273.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,721.20 : 199,081.80 = 58,849.20 : x
  2. Step 2: Convert to fraction form
    132,721.20/199,081.80 = 58,849.20/x
  3. Step 3: Cross multiply
    132,721.20x = 199,081.80 × 58,849.20
  4. Step 4: Simplify right side
    132,721.20x = 11,715,804,664.56
  5. Step 5: Solve for x
    x = 11,715,804,664.56/132,721.20
  6. Step 6: Final answer
    x = 88,273.80

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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.