Home / 202,743.14-279,761.11-112,086.86

Finding the Fourth Proportional to 202,743.14, 279,761.11 and 112,086.86

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Solution

The fourth proportional to 202,743.14, 279,761.11 and 112,086.86 is: 154,666.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,743.14 : 279,761.11 = 112,086.86 : x
  2. Step 2: Convert to fraction form
    202,743.14/279,761.11 = 112,086.86/x
  3. Step 3: Cross multiply
    202,743.14x = 279,761.11 × 112,086.86
  4. Step 4: Simplify right side
    202,743.14x = 31,357,542,690.99
  5. Step 5: Solve for x
    x = 31,357,542,690.99/202,743.14
  6. Step 6: Final answer
    x = 154,666.36

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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.