Home / 141,713.62-195,550.32-87,257.15

Finding the Fourth Proportional to 141,713.62, 195,550.32 and 87,257.15

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Solution

The fourth proportional to 141,713.62, 195,550.32 and 87,257.15 is: 120,405.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,713.62 : 195,550.32 = 87,257.15 : x
  2. Step 2: Convert to fraction form
    141,713.62/195,550.32 = 87,257.15/x
  3. Step 3: Cross multiply
    141,713.62x = 195,550.32 × 87,257.15
  4. Step 4: Simplify right side
    141,713.62x = 17,063,163,604.79
  5. Step 5: Solve for x
    x = 17,063,163,604.79/141,713.62
  6. Step 6: Final answer
    x = 120,405.96

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1.5x scale

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.