Home / 141,592.60-195,398.46-81,166.72

Finding the Fourth Proportional to 141,592.60, 195,398.46 and 81,166.72

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Solution

The fourth proportional to 141,592.60, 195,398.46 and 81,166.72 is: 112,010.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,592.60 : 195,398.46 = 81,166.72 : x
  2. Step 2: Convert to fraction form
    141,592.60/195,398.46 = 81,166.72/x
  3. Step 3: Cross multiply
    141,592.60x = 195,398.46 × 81,166.72
  4. Step 4: Simplify right side
    141,592.60x = 15,859,852,091.25
  5. Step 5: Solve for x
    x = 15,859,852,091.25/141,592.60
  6. Step 6: Final answer
    x = 112,010.46

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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.