Home / 170,819.40-256,229.10-137,604.35

Finding the Fourth Proportional to 170,819.40, 256,229.10 and 137,604.35

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Solution

The fourth proportional to 170,819.40, 256,229.10 and 137,604.35 is: 206,406.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,819.40 : 256,229.10 = 137,604.35 : x
  2. Step 2: Convert to fraction form
    170,819.40/256,229.10 = 137,604.35/x
  3. Step 3: Cross multiply
    170,819.40x = 256,229.10 × 137,604.35
  4. Step 4: Simplify right side
    170,819.40x = 35,258,238,756.59
  5. Step 5: Solve for x
    x = 35,258,238,756.59/170,819.40
  6. Step 6: Final answer
    x = 206,406.53

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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.