Home / 134,627.82-185,787.70-74,198.58

Finding the Fourth Proportional to 134,627.82, 185,787.70 and 74,198.58

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Solution

The fourth proportional to 134,627.82, 185,787.70 and 74,198.58 is: 102,394.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,627.82 : 185,787.70 = 74,198.58 : x
  2. Step 2: Convert to fraction form
    134,627.82/185,787.70 = 74,198.58/x
  3. Step 3: Cross multiply
    134,627.82x = 185,787.70 × 74,198.58
  4. Step 4: Simplify right side
    134,627.82x = 13,785,183,521.47
  5. Step 5: Solve for x
    x = 13,785,183,521.47/134,627.82
  6. Step 6: Final answer
    x = 102,394.76

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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.