Home / 170,942.80-256,414.20-117,798.70

Finding the Fourth Proportional to 170,942.80, 256,414.20 and 117,798.70

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Solution

The fourth proportional to 170,942.80, 256,414.20 and 117,798.70 is: 176,698.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,942.80 : 256,414.20 = 117,798.70 : x
  2. Step 2: Convert to fraction form
    170,942.80/256,414.20 = 117,798.70/x
  3. Step 3: Cross multiply
    170,942.80x = 256,414.20 × 117,798.70
  4. Step 4: Simplify right side
    170,942.80x = 30,205,259,421.54
  5. Step 5: Solve for x
    x = 30,205,259,421.54/170,942.80
  6. Step 6: Final answer
    x = 176,698.05

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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.