Home / 254,167.18-381,253.51-76,675.73

Finding the Fourth Proportional to 254,167.18, 381,253.51 and 76,675.73

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Solution

The fourth proportional to 254,167.18, 381,253.51 and 76,675.73 is: 115,014.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,167.18 : 381,253.51 = 76,675.73 : x
  2. Step 2: Convert to fraction form
    254,167.18/381,253.51 = 76,675.73/x
  3. Step 3: Cross multiply
    254,167.18x = 381,253.51 × 76,675.73
  4. Step 4: Simplify right side
    254,167.18x = 29,232,891,194.31
  5. Step 5: Solve for x
    x = 29,232,891,194.31/254,167.18
  6. Step 6: Final answer
    x = 115,014.42

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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.