Home / 118,213.70-177,320.55-108,536.90

Finding the Fourth Proportional to 118,213.70, 177,320.55 and 108,536.90

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Solution

The fourth proportional to 118,213.70, 177,320.55 and 108,536.90 is: 162,805.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,213.70 : 177,320.55 = 108,536.90 : x
  2. Step 2: Convert to fraction form
    118,213.70/177,320.55 = 108,536.90/x
  3. Step 3: Cross multiply
    118,213.70x = 177,320.55 × 108,536.90
  4. Step 4: Simplify right side
    118,213.70x = 19,245,822,803.30
  5. Step 5: Solve for x
    x = 19,245,822,803.30/118,213.70
  6. Step 6: Final answer
    x = 162,805.35

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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.