Home / 126,689.11-190,063.23-36,733.70

Finding the Fourth Proportional to 126,689.11, 190,063.23 and 36,733.70

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Solution

The fourth proportional to 126,689.11, 190,063.23 and 36,733.70 is: 55,109.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,689.11 : 190,063.23 = 36,733.70 : x
  2. Step 2: Convert to fraction form
    126,689.11/190,063.23 = 36,733.70/x
  3. Step 3: Cross multiply
    126,689.11x = 190,063.23 × 36,733.70
  4. Step 4: Simplify right side
    126,689.11x = 6,981,725,671.85
  5. Step 5: Solve for x
    x = 6,981,725,671.85/126,689.11
  6. Step 6: Final answer
    x = 55,109.12

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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.