Home / 254,175.59-381,266.12-76,684.14

Finding the Fourth Proportional to 254,175.59, 381,266.12 and 76,684.14

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Solution

The fourth proportional to 254,175.59, 381,266.12 and 76,684.14 is: 115,027.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,175.59 : 381,266.12 = 76,684.14 : x
  2. Step 2: Convert to fraction form
    254,175.59/381,266.12 = 76,684.14/x
  3. Step 3: Cross multiply
    254,175.59x = 381,266.12 × 76,684.14
  4. Step 4: Simplify right side
    254,175.59x = 29,237,064,139.92
  5. Step 5: Solve for x
    x = 29,237,064,139.92/254,175.59
  6. Step 6: Final answer
    x = 115,027.04

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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.