Home / 171,218.71-256,764.21-58,867.12

Finding the Fourth Proportional to 171,218.71, 256,764.21 and 58,867.12

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Solution

The fourth proportional to 171,218.71, 256,764.21 and 58,867.12 is: 88,278.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,218.71 : 256,764.21 = 58,867.12 : x
  2. Step 2: Convert to fraction form
    171,218.71/256,764.21 = 58,867.12/x
  3. Step 3: Cross multiply
    171,218.71x = 256,764.21 × 58,867.12
  4. Step 4: Simplify right side
    171,218.71x = 15,114,969,561.78
  5. Step 5: Solve for x
    x = 15,114,969,561.78/171,218.71
  6. Step 6: Final answer
    x = 88,278.73

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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.