Home / 166,671.20-230,011.75-91,219.70

Finding the Fourth Proportional to 166,671.20, 230,011.75 and 91,219.70

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Solution

The fourth proportional to 166,671.20, 230,011.75 and 91,219.70 is: 125,886.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,671.20 : 230,011.75 = 91,219.70 : x
  2. Step 2: Convert to fraction form
    166,671.20/230,011.75 = 91,219.70/x
  3. Step 3: Cross multiply
    166,671.20x = 230,011.75 × 91,219.70
  4. Step 4: Simplify right side
    166,671.20x = 20,981,603,520.53
  5. Step 5: Solve for x
    x = 20,981,603,520.53/166,671.20
  6. Step 6: Final answer
    x = 125,886.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.