Home / 141,876.53-195,799.33-86,709.57

Finding the Fourth Proportional to 141,876.53, 195,799.33 and 86,709.57

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Solution

The fourth proportional to 141,876.53, 195,799.33 and 86,709.57 is: 119,665.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,876.53 : 195,799.33 = 86,709.57 : x
  2. Step 2: Convert to fraction form
    141,876.53/195,799.33 = 86,709.57/x
  3. Step 3: Cross multiply
    141,876.53x = 195,799.33 × 86,709.57
  4. Step 4: Simplify right side
    141,876.53x = 16,977,675,710.59
  5. Step 5: Solve for x
    x = 16,977,675,710.59/141,876.53
  6. Step 6: Final answer
    x = 119,665.15

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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.