Home / 217,042.20-325,563.30-154,056.60

Finding the Fourth Proportional to 217,042.20, 325,563.30 and 154,056.60

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Solution

The fourth proportional to 217,042.20, 325,563.30 and 154,056.60 is: 231,084.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,042.20 : 325,563.30 = 154,056.60 : x
  2. Step 2: Convert to fraction form
    217,042.20/325,563.30 = 154,056.60/x
  3. Step 3: Cross multiply
    217,042.20x = 325,563.30 × 154,056.60
  4. Step 4: Simplify right side
    217,042.20x = 50,155,175,082.78
  5. Step 5: Solve for x
    x = 50,155,175,082.78/217,042.20
  6. Step 6: Final answer
    x = 231,084.90

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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.