Home / 254,169.18-381,256.51-76,677.73

Finding the Fourth Proportional to 254,169.18, 381,256.51 and 76,677.73

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Solution

The fourth proportional to 254,169.18, 381,256.51 and 76,677.73 is: 115,017.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,169.18 : 381,256.51 = 76,677.73 : x
  2. Step 2: Convert to fraction form
    254,169.18/381,256.51 = 76,677.73/x
  3. Step 3: Cross multiply
    254,169.18x = 381,256.51 × 76,677.73
  4. Step 4: Simplify right side
    254,169.18x = 29,233,883,734.52
  5. Step 5: Solve for x
    x = 29,233,883,734.52/254,169.18
  6. Step 6: Final answer
    x = 115,017.42

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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.