Home / 432,119.20-647,948.40-182,519.20

Finding the Fourth Proportional to 432,119.20, 647,948.40 and 182,519.20

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Solution

The fourth proportional to 432,119.20, 647,948.40 and 182,519.20 is: 273,681.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,119.20 : 647,948.40 = 182,519.20 : x
  2. Step 2: Convert to fraction form
    432,119.20/647,948.40 = 182,519.20/x
  3. Step 3: Cross multiply
    432,119.20x = 647,948.40 × 182,519.20
  4. Step 4: Simplify right side
    432,119.20x = 118,263,023,609.28
  5. Step 5: Solve for x
    x = 118,263,023,609.28/432,119.20
  6. Step 6: Final answer
    x = 273,681.48

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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.