Home / 231,044.47-318,634.13-192,410.20

Finding the Fourth Proportional to 231,044.47, 318,634.13 and 192,410.20

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Solution

The fourth proportional to 231,044.47, 318,634.13 and 192,410.20 is: 265,353.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,044.47 : 318,634.13 = 192,410.20 : x
  2. Step 2: Convert to fraction form
    231,044.47/318,634.13 = 192,410.20/x
  3. Step 3: Cross multiply
    231,044.47x = 318,634.13 × 192,410.20
  4. Step 4: Simplify right side
    231,044.47x = 61,308,456,364.57
  5. Step 5: Solve for x
    x = 61,308,456,364.57/231,044.47
  6. Step 6: Final answer
    x = 265,353.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.