Home / 194,750.31-268,800.26-114,203.78

Finding the Fourth Proportional to 194,750.31, 268,800.26 and 114,203.78

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Solution

The fourth proportional to 194,750.31, 268,800.26 and 114,203.78 is: 157,627.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,750.31 : 268,800.26 = 114,203.78 : x
  2. Step 2: Convert to fraction form
    194,750.31/268,800.26 = 114,203.78/x
  3. Step 3: Cross multiply
    194,750.31x = 268,800.26 × 114,203.78
  4. Step 4: Simplify right side
    194,750.31x = 30,698,005,605.96
  5. Step 5: Solve for x
    x = 30,698,005,605.96/194,750.31
  6. Step 6: Final answer
    x = 157,627.51

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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.