Home / 166,910.20-230,258.78-147,809.40

Finding the Fourth Proportional to 166,910.20, 230,258.78 and 147,809.40

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Solution

The fourth proportional to 166,910.20, 230,258.78 and 147,809.40 is: 203,908.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,910.20 : 230,258.78 = 147,809.40 : x
  2. Step 2: Convert to fraction form
    166,910.20/230,258.78 = 147,809.40/x
  3. Step 3: Cross multiply
    166,910.20x = 230,258.78 × 147,809.40
  4. Step 4: Simplify right side
    166,910.20x = 34,034,412,116.53
  5. Step 5: Solve for x
    x = 34,034,412,116.53/166,910.20
  6. Step 6: Final answer
    x = 203,908.52

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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.