Home / 141,708.33-195,566.34-78,046.11

Finding the Fourth Proportional to 141,708.33, 195,566.34 and 78,046.11

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Solution

The fourth proportional to 141,708.33, 195,566.34 and 78,046.11 is: 107,708.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,708.33 : 195,566.34 = 78,046.11 : x
  2. Step 2: Convert to fraction form
    141,708.33/195,566.34 = 78,046.11/x
  3. Step 3: Cross multiply
    141,708.33x = 195,566.34 × 78,046.11
  4. Step 4: Simplify right side
    141,708.33x = 15,263,192,083.94
  5. Step 5: Solve for x
    x = 15,263,192,083.94/141,708.33
  6. Step 6: Final answer
    x = 107,708.50

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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.