Home / 267,743.45-401,402.05-132,712.49

Finding the Fourth Proportional to 267,743.45, 401,402.05 and 132,712.49

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Solution

The fourth proportional to 267,743.45, 401,402.05 and 132,712.49 is: 198,963.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,743.45 : 401,402.05 = 132,712.49 : x
  2. Step 2: Convert to fraction form
    267,743.45/401,402.05 = 132,712.49/x
  3. Step 3: Cross multiply
    267,743.45x = 401,402.05 × 132,712.49
  4. Step 4: Simplify right side
    267,743.45x = 53,271,065,546.60
  5. Step 5: Solve for x
    x = 53,271,065,546.60/267,743.45
  6. Step 6: Final answer
    x = 198,963.10

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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.