Home / 202,789.26-279,824.67-112,132.98

Finding the Fourth Proportional to 202,789.26, 279,824.67 and 112,132.98

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Solution

The fourth proportional to 202,789.26, 279,824.67 and 112,132.98 is: 154,729.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,789.26 : 279,824.67 = 112,132.98 : x
  2. Step 2: Convert to fraction form
    202,789.26/279,824.67 = 112,132.98/x
  3. Step 3: Cross multiply
    202,789.26x = 279,824.67 × 112,132.98
  4. Step 4: Simplify right side
    202,789.26x = 31,377,574,124.62
  5. Step 5: Solve for x
    x = 31,377,574,124.62/202,789.26
  6. Step 6: Final answer
    x = 154,729.96

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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.