Home / 141,425.97-212,138.39-57,185.11

Finding the Fourth Proportional to 141,425.97, 212,138.39 and 57,185.11

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Solution

The fourth proportional to 141,425.97, 212,138.39 and 57,185.11 is: 85,777.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,425.97 : 212,138.39 = 57,185.11 : x
  2. Step 2: Convert to fraction form
    141,425.97/212,138.39 = 57,185.11/x
  3. Step 3: Cross multiply
    141,425.97x = 212,138.39 × 57,185.11
  4. Step 4: Simplify right side
    141,425.97x = 12,131,156,382.23
  5. Step 5: Solve for x
    x = 12,131,156,382.23/141,425.97
  6. Step 6: Final answer
    x = 85,777.43

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1.5x scale

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.