Home / 141,327.15-195,020.15-80,883.93

Finding the Fourth Proportional to 141,327.15, 195,020.15 and 80,883.93

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Solution

The fourth proportional to 141,327.15, 195,020.15 and 80,883.93 is: 111,613.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,327.15 : 195,020.15 = 80,883.93 : x
  2. Step 2: Convert to fraction form
    141,327.15/195,020.15 = 80,883.93/x
  3. Step 3: Cross multiply
    141,327.15x = 195,020.15 × 80,883.93
  4. Step 4: Simplify right side
    141,327.15x = 15,773,995,756.77
  5. Step 5: Solve for x
    x = 15,773,995,756.77/141,327.15
  6. Step 6: Final answer
    x = 111,613.34

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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.