Home / 118,256.28-177,290.23-68,279.69

Finding the Fourth Proportional to 118,256.28, 177,290.23 and 68,279.69

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Solution

The fourth proportional to 118,256.28, 177,290.23 and 68,279.69 is: 102,365.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,256.28 : 177,290.23 = 68,279.69 : x
  2. Step 2: Convert to fraction form
    118,256.28/177,290.23 = 68,279.69/x
  3. Step 3: Cross multiply
    118,256.28x = 177,290.23 × 68,279.69
  4. Step 4: Simplify right side
    118,256.28x = 12,105,321,944.43
  5. Step 5: Solve for x
    x = 12,105,321,944.43/118,256.28
  6. Step 6: Final answer
    x = 102,365.15

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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.