Home / 153,810.20-230,715.30-109,195.40

Finding the Fourth Proportional to 153,810.20, 230,715.30 and 109,195.40

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Solution

The fourth proportional to 153,810.20, 230,715.30 and 109,195.40 is: 163,793.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,810.20 : 230,715.30 = 109,195.40 : x
  2. Step 2: Convert to fraction form
    153,810.20/230,715.30 = 109,195.40/x
  3. Step 3: Cross multiply
    153,810.20x = 230,715.30 × 109,195.40
  4. Step 4: Simplify right side
    153,810.20x = 25,193,049,469.62
  5. Step 5: Solve for x
    x = 25,193,049,469.62/153,810.20
  6. Step 6: Final answer
    x = 163,793.10

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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.