Home / 311,132.16-466,707.42-121,584.87

Finding the Fourth Proportional to 311,132.16, 466,707.42 and 121,584.87

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Solution

The fourth proportional to 311,132.16, 466,707.42 and 121,584.87 is: 182,380.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,132.16 : 466,707.42 = 121,584.87 : x
  2. Step 2: Convert to fraction form
    311,132.16/466,707.42 = 121,584.87/x
  3. Step 3: Cross multiply
    311,132.16x = 466,707.42 × 121,584.87
  4. Step 4: Simplify right side
    311,132.16x = 56,744,560,988.74
  5. Step 5: Solve for x
    x = 56,744,560,988.74/311,132.16
  6. Step 6: Final answer
    x = 182,380.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.