Home / 315,344.20-473,016.30-173,626.60

Finding the Fourth Proportional to 315,344.20, 473,016.30 and 173,626.60

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Solution

The fourth proportional to 315,344.20, 473,016.30 and 173,626.60 is: 260,439.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,344.20 : 473,016.30 = 173,626.60 : x
  2. Step 2: Convert to fraction form
    315,344.20/473,016.30 = 173,626.60/x
  3. Step 3: Cross multiply
    315,344.20x = 473,016.30 × 173,626.60
  4. Step 4: Simplify right side
    315,344.20x = 82,128,211,913.58
  5. Step 5: Solve for x
    x = 82,128,211,913.58/315,344.20
  6. Step 6: Final answer
    x = 260,439.90

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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.