Home / 323,031.24-484,517.16-86,365.44

Finding the Fourth Proportional to 323,031.24, 484,517.16 and 86,365.44

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Solution

The fourth proportional to 323,031.24, 484,517.16 and 86,365.44 is: 129,540.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,031.24 : 484,517.16 = 86,365.44 : x
  2. Step 2: Convert to fraction form
    323,031.24/484,517.16 = 86,365.44/x
  3. Step 3: Cross multiply
    323,031.24x = 484,517.16 × 86,365.44
  4. Step 4: Simplify right side
    323,031.24x = 41,845,537,710.95
  5. Step 5: Solve for x
    x = 41,845,537,710.95/323,031.24
  6. Step 6: Final answer
    x = 129,540.22

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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.