Home / 141,735.88-195,603.92-81,306.08

Finding the Fourth Proportional to 141,735.88, 195,603.92 and 81,306.08

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Solution

The fourth proportional to 141,735.88, 195,603.92 and 81,306.08 is: 112,207.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,735.88 : 195,603.92 = 81,306.08 : x
  2. Step 2: Convert to fraction form
    141,735.88/195,603.92 = 81,306.08/x
  3. Step 3: Cross multiply
    141,735.88x = 195,603.92 × 81,306.08
  4. Step 4: Simplify right side
    141,735.88x = 15,903,787,967.83
  5. Step 5: Solve for x
    x = 15,903,787,967.83/141,735.88
  6. Step 6: Final answer
    x = 112,207.21

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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.