Home / 202,521.75-279,480.15-113,097.75

Finding the Fourth Proportional to 202,521.75, 279,480.15 and 113,097.75

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Solution

The fourth proportional to 202,521.75, 279,480.15 and 113,097.75 is: 156,074.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,521.75 : 279,480.15 = 113,097.75 : x
  2. Step 2: Convert to fraction form
    202,521.75/279,480.15 = 113,097.75/x
  3. Step 3: Cross multiply
    202,521.75x = 279,480.15 × 113,097.75
  4. Step 4: Simplify right side
    202,521.75x = 31,608,576,134.66
  5. Step 5: Solve for x
    x = 31,608,576,134.66/202,521.75
  6. Step 6: Final answer
    x = 156,074.97

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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.