Home / 118,073.35-177,144.41-38,109.61

Finding the Fourth Proportional to 118,073.35, 177,144.41 and 38,109.61

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Solution

The fourth proportional to 118,073.35, 177,144.41 and 38,109.61 is: 57,175.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,073.35 : 177,144.41 = 38,109.61 : x
  2. Step 2: Convert to fraction form
    118,073.35/177,144.41 = 38,109.61/x
  3. Step 3: Cross multiply
    118,073.35x = 177,144.41 × 38,109.61
  4. Step 4: Simplify right side
    118,073.35x = 6,750,904,378.78
  5. Step 5: Solve for x
    x = 6,750,904,378.78/118,073.35
  6. Step 6: Final answer
    x = 57,175.51

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1.5x scale

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.