Home / 141,727.67-195,584.45-77,196.70

Finding the Fourth Proportional to 141,727.67, 195,584.45 and 77,196.70

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Solution

The fourth proportional to 141,727.67, 195,584.45 and 77,196.70 is: 106,531.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,727.67 : 195,584.45 = 77,196.70 : x
  2. Step 2: Convert to fraction form
    141,727.67/195,584.45 = 77,196.70/x
  3. Step 3: Cross multiply
    141,727.67x = 195,584.45 × 77,196.70
  4. Step 4: Simplify right side
    141,727.67x = 15,098,474,954.12
  5. Step 5: Solve for x
    x = 15,098,474,954.12/141,727.67
  6. Step 6: Final answer
    x = 106,531.60

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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.