Home / 170,949.76-256,435.58-65,768.73

Finding the Fourth Proportional to 170,949.76, 256,435.58 and 65,768.73

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Solution

The fourth proportional to 170,949.76, 256,435.58 and 65,768.73 is: 98,657.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,949.76 : 256,435.58 = 65,768.73 : x
  2. Step 2: Convert to fraction form
    170,949.76/256,435.58 = 65,768.73/x
  3. Step 3: Cross multiply
    170,949.76x = 256,435.58 × 65,768.73
  4. Step 4: Simplify right side
    170,949.76x = 16,865,442,423.41
  5. Step 5: Solve for x
    x = 16,865,442,423.41/170,949.76
  6. Step 6: Final answer
    x = 98,657.30

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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.