Home / 141,888.11-195,805.52-81,462.65

Finding the Fourth Proportional to 141,888.11, 195,805.52 and 81,462.65

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Solution

The fourth proportional to 141,888.11, 195,805.52 and 81,462.65 is: 112,418.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,888.11 : 195,805.52 = 81,462.65 : x
  2. Step 2: Convert to fraction form
    141,888.11/195,805.52 = 81,462.65/x
  3. Step 3: Cross multiply
    141,888.11x = 195,805.52 × 81,462.65
  4. Step 4: Simplify right side
    141,888.11x = 15,950,836,543.83
  5. Step 5: Solve for x
    x = 15,950,836,543.83/141,888.11
  6. Step 6: Final answer
    x = 112,418.42

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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.