Home / 141,122.73-194,742.26-83,764.56

Finding the Fourth Proportional to 141,122.73, 194,742.26 and 83,764.56

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Solution

The fourth proportional to 141,122.73, 194,742.26 and 83,764.56 is: 115,590.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,122.73 : 194,742.26 = 83,764.56 : x
  2. Step 2: Convert to fraction form
    141,122.73/194,742.26 = 83,764.56/x
  3. Step 3: Cross multiply
    141,122.73x = 194,742.26 × 83,764.56
  4. Step 4: Simplify right side
    141,122.73x = 16,312,498,887.32
  5. Step 5: Solve for x
    x = 16,312,498,887.32/141,122.73
  6. Step 6: Final answer
    x = 115,590.87

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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.