Home / 175,425.40-263,138.10-112,439.80

Finding the Fourth Proportional to 175,425.40, 263,138.10 and 112,439.80

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Solution

The fourth proportional to 175,425.40, 263,138.10 and 112,439.80 is: 168,659.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,425.40 : 263,138.10 = 112,439.80 : x
  2. Step 2: Convert to fraction form
    175,425.40/263,138.10 = 112,439.80/x
  3. Step 3: Cross multiply
    175,425.40x = 263,138.10 × 112,439.80
  4. Step 4: Simplify right side
    175,425.40x = 29,587,195,336.38
  5. Step 5: Solve for x
    x = 29,587,195,336.38/175,425.40
  6. Step 6: Final answer
    x = 168,659.70

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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.