Home / 171,589.12-257,454.17-75,476.85

Finding the Fourth Proportional to 171,589.12, 257,454.17 and 75,476.85

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Solution

The fourth proportional to 171,589.12, 257,454.17 and 75,476.85 is: 113,246.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,589.12 : 257,454.17 = 75,476.85 : x
  2. Step 2: Convert to fraction form
    171,589.12/257,454.17 = 75,476.85/x
  3. Step 3: Cross multiply
    171,589.12x = 257,454.17 × 75,476.85
  4. Step 4: Simplify right side
    171,589.12x = 19,431,829,618.45
  5. Step 5: Solve for x
    x = 19,431,829,618.45/171,589.12
  6. Step 6: Final answer
    x = 113,246.28

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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.