Home / 112,273.38-168,531.39-99,872.82

Finding the Fourth Proportional to 112,273.38, 168,531.39 and 99,872.82

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Solution

The fourth proportional to 112,273.38, 168,531.39 and 99,872.82 is: 149,917.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,273.38 : 168,531.39 = 99,872.82 : x
  2. Step 2: Convert to fraction form
    112,273.38/168,531.39 = 99,872.82/x
  3. Step 3: Cross multiply
    112,273.38x = 168,531.39 × 99,872.82
  4. Step 4: Simplify right side
    112,273.38x = 16,831,705,177.82
  5. Step 5: Solve for x
    x = 16,831,705,177.82/112,273.38
  6. Step 6: Final answer
    x = 149,917.15

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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.