Home / 112,283.17-154,976.82-74,049.62

Finding the Fourth Proportional to 112,283.17, 154,976.82 and 74,049.62

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Solution

The fourth proportional to 112,283.17, 154,976.82 and 74,049.62 is: 102,205.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,283.17 : 154,976.82 = 74,049.62 : x
  2. Step 2: Convert to fraction form
    112,283.17/154,976.82 = 74,049.62/x
  3. Step 3: Cross multiply
    112,283.17x = 154,976.82 × 74,049.62
  4. Step 4: Simplify right side
    112,283.17x = 11,475,973,854.92
  5. Step 5: Solve for x
    x = 11,475,973,854.92/112,283.17
  6. Step 6: Final answer
    x = 102,205.65

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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.