Home / 384,137.12-576,227.28-103,676.24

Finding the Fourth Proportional to 384,137.12, 576,227.28 and 103,676.24

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Solution

The fourth proportional to 384,137.12, 576,227.28 and 103,676.24 is: 155,520.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,137.12 : 576,227.28 = 103,676.24 : x
  2. Step 2: Convert to fraction form
    384,137.12/576,227.28 = 103,676.24/x
  3. Step 3: Cross multiply
    384,137.12x = 576,227.28 × 103,676.24
  4. Step 4: Simplify right side
    384,137.12x = 59,741,077,775.83
  5. Step 5: Solve for x
    x = 59,741,077,775.83/384,137.12
  6. Step 6: Final answer
    x = 155,520.19

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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.