Home / 141,817.89-195,708.71-77,287.14

Finding the Fourth Proportional to 141,817.89, 195,708.71 and 77,287.14

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Solution

The fourth proportional to 141,817.89, 195,708.71 and 77,287.14 is: 106,656.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,817.89 : 195,708.71 = 77,287.14 : x
  2. Step 2: Convert to fraction form
    141,817.89/195,708.71 = 77,287.14/x
  3. Step 3: Cross multiply
    141,817.89x = 195,708.71 × 77,287.14
  4. Step 4: Simplify right side
    141,817.89x = 15,125,766,468.99
  5. Step 5: Solve for x
    x = 15,125,766,468.99/141,817.89
  6. Step 6: Final answer
    x = 106,656.27

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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.