Home / 254,199.41-381,309.03-76,706.44

Finding the Fourth Proportional to 254,199.41, 381,309.03 and 76,706.44

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Solution

The fourth proportional to 254,199.41, 381,309.03 and 76,706.44 is: 115,062.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,199.41 : 381,309.03 = 76,706.44 : x
  2. Step 2: Convert to fraction form
    254,199.41/381,309.03 = 76,706.44/x
  3. Step 3: Cross multiply
    254,199.41x = 381,309.03 × 76,706.44
  4. Step 4: Simplify right side
    254,199.41x = 29,248,857,277.88
  5. Step 5: Solve for x
    x = 29,248,857,277.88/254,199.41
  6. Step 6: Final answer
    x = 115,062.65

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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.