Home / 140,919.75-194,445.36-93,147.57

Finding the Fourth Proportional to 140,919.75, 194,445.36 and 93,147.57

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Solution

The fourth proportional to 140,919.75, 194,445.36 and 93,147.57 is: 128,527.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,919.75 : 194,445.36 = 93,147.57 : x
  2. Step 2: Convert to fraction form
    140,919.75/194,445.36 = 93,147.57/x
  3. Step 3: Cross multiply
    140,919.75x = 194,445.36 × 93,147.57
  4. Step 4: Simplify right side
    140,919.75x = 18,112,112,781.78
  5. Step 5: Solve for x
    x = 18,112,112,781.78/140,919.75
  6. Step 6: Final answer
    x = 128,527.85

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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.