Home / 338,915.29-467,686.25-193,716.72

Finding the Fourth Proportional to 338,915.29, 467,686.25 and 193,716.72

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Solution

The fourth proportional to 338,915.29, 467,686.25 and 193,716.72 is: 267,319.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,915.29 : 467,686.25 = 193,716.72 : x
  2. Step 2: Convert to fraction form
    338,915.29/467,686.25 = 193,716.72/x
  3. Step 3: Cross multiply
    338,915.29x = 467,686.25 × 193,716.72
  4. Step 4: Simplify right side
    338,915.29x = 90,598,646,339.10
  5. Step 5: Solve for x
    x = 90,598,646,339.10/338,915.29
  6. Step 6: Final answer
    x = 267,319.44

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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.