Home / 141,746.92-195,610.41-78,084.77

Finding the Fourth Proportional to 141,746.92, 195,610.41 and 78,084.77

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Solution

The fourth proportional to 141,746.92, 195,610.41 and 78,084.77 is: 107,756.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,746.92 : 195,610.41 = 78,084.77 : x
  2. Step 2: Convert to fraction form
    141,746.92/195,610.41 = 78,084.77/x
  3. Step 3: Cross multiply
    141,746.92x = 195,610.41 × 78,084.77
  4. Step 4: Simplify right side
    141,746.92x = 15,274,192,896.40
  5. Step 5: Solve for x
    x = 15,274,192,896.40/141,746.92
  6. Step 6: Final answer
    x = 107,756.79

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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.