Home / 141,609.06-195,420.60-77,947.92

Finding the Fourth Proportional to 141,609.06, 195,420.60 and 77,947.92

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Solution

The fourth proportional to 141,609.06, 195,420.60 and 77,947.92 is: 107,568.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,609.06 : 195,420.60 = 77,947.92 : x
  2. Step 2: Convert to fraction form
    141,609.06/195,420.60 = 77,947.92/x
  3. Step 3: Cross multiply
    141,609.06x = 195,420.60 × 77,947.92
  4. Step 4: Simplify right side
    141,609.06x = 15,232,629,295.15
  5. Step 5: Solve for x
    x = 15,232,629,295.15/141,609.06
  6. Step 6: Final answer
    x = 107,568.18

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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.