Home / 323,540.70-485,311.05-181,823.10

Finding the Fourth Proportional to 323,540.70, 485,311.05 and 181,823.10

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Solution

The fourth proportional to 323,540.70, 485,311.05 and 181,823.10 is: 272,734.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,540.70 : 485,311.05 = 181,823.10 : x
  2. Step 2: Convert to fraction form
    323,540.70/485,311.05 = 181,823.10/x
  3. Step 3: Cross multiply
    323,540.70x = 485,311.05 × 181,823.10
  4. Step 4: Simplify right side
    323,540.70x = 88,240,759,575.26
  5. Step 5: Solve for x
    x = 88,240,759,575.26/323,540.70
  6. Step 6: Final answer
    x = 272,734.65

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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.