Home / 202,349.75-279,228.33-111,691.17

Finding the Fourth Proportional to 202,349.75, 279,228.33 and 111,691.17

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Solution

The fourth proportional to 202,349.75, 279,228.33 and 111,691.17 is: 154,125.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,349.75 : 279,228.33 = 111,691.17 : x
  2. Step 2: Convert to fraction form
    202,349.75/279,228.33 = 111,691.17/x
  3. Step 3: Cross multiply
    202,349.75x = 279,228.33 × 111,691.17
  4. Step 4: Simplify right side
    202,349.75x = 31,187,338,874.85
  5. Step 5: Solve for x
    x = 31,187,338,874.85/202,349.75
  6. Step 6: Final answer
    x = 154,125.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.