Home / 141,864.22-195,790.35-81,453.79

Finding the Fourth Proportional to 141,864.22, 195,790.35 and 81,453.79

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Solution

The fourth proportional to 141,864.22, 195,790.35 and 81,453.79 is: 112,416.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,864.22 : 195,790.35 = 81,453.79 : x
  2. Step 2: Convert to fraction form
    141,864.22/195,790.35 = 81,453.79/x
  3. Step 3: Cross multiply
    141,864.22x = 195,790.35 × 81,453.79
  4. Step 4: Simplify right side
    141,864.22x = 15,947,866,052.93
  5. Step 5: Solve for x
    x = 15,947,866,052.93/141,864.22
  6. Step 6: Final answer
    x = 112,416.41

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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.