Home / 483,500.20-724,995.15-163,542.10

Finding the Fourth Proportional to 483,500.20, 724,995.15 and 163,542.10

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Solution

The fourth proportional to 483,500.20, 724,995.15 and 163,542.10 is: 245,226.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,500.20 : 724,995.15 = 163,542.10 : x
  2. Step 2: Convert to fraction form
    483,500.20/724,995.15 = 163,542.10/x
  3. Step 3: Cross multiply
    483,500.20x = 724,995.15 × 163,542.10
  4. Step 4: Simplify right side
    483,500.20x = 118,567,229,320.82
  5. Step 5: Solve for x
    x = 118,567,229,320.82/483,500.20
  6. Step 6: Final answer
    x = 245,226.85

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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.