Home / 384,132.12-576,219.78-103,671.24

Finding the Fourth Proportional to 384,132.12, 576,219.78 and 103,671.24

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Solution

The fourth proportional to 384,132.12, 576,219.78 and 103,671.24 is: 155,512.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,132.12 : 576,219.78 = 103,671.24 : x
  2. Step 2: Convert to fraction form
    384,132.12/576,219.78 = 103,671.24/x
  3. Step 3: Cross multiply
    384,132.12x = 576,219.78 × 103,671.24
  4. Step 4: Simplify right side
    384,132.12x = 59,737,419,105.13
  5. Step 5: Solve for x
    x = 59,737,419,105.13/384,132.12
  6. Step 6: Final answer
    x = 155,512.69

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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.