Home / 141,007.16-194,577.57-80,565.77

Finding the Fourth Proportional to 141,007.16, 194,577.57 and 80,565.77

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Solution

The fourth proportional to 141,007.16, 194,577.57 and 80,565.77 is: 111,173.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,007.16 : 194,577.57 = 80,565.77 : x
  2. Step 2: Convert to fraction form
    141,007.16/194,577.57 = 80,565.77/x
  3. Step 3: Cross multiply
    141,007.16x = 194,577.57 × 80,565.77
  4. Step 4: Simplify right side
    141,007.16x = 15,676,290,778.89
  5. Step 5: Solve for x
    x = 15,676,290,778.89/141,007.16
  6. Step 6: Final answer
    x = 111,173.73

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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.