Home / 267,256.20-368,844.66-154,083

Finding the Fourth Proportional to 267,256.20, 368,844.66 and 154,083

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Solution

The fourth proportional to 267,256.20, 368,844.66 and 154,083 is: 212,652.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,256.20 : 368,844.66 = 154,083 : x
  2. Step 2: Convert to fraction form
    267,256.20/368,844.66 = 154,083/x
  3. Step 3: Cross multiply
    267,256.20x = 368,844.66 × 154,083
  4. Step 4: Simplify right side
    267,256.20x = 56,832,691,746.78
  5. Step 5: Solve for x
    x = 56,832,691,746.78/267,256.20
  6. Step 6: Final answer
    x = 212,652.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.