Home / 147,183.55-220,808.22-53,689.30

Finding the Fourth Proportional to 147,183.55, 220,808.22 and 53,689.30

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Solution

The fourth proportional to 147,183.55, 220,808.22 and 53,689.30 is: 80,545.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,183.55 : 220,808.22 = 53,689.30 : x
  2. Step 2: Convert to fraction form
    147,183.55/220,808.22 = 53,689.30/x
  3. Step 3: Cross multiply
    147,183.55x = 220,808.22 × 53,689.30
  4. Step 4: Simplify right side
    147,183.55x = 11,855,038,766.05
  5. Step 5: Solve for x
    x = 11,855,038,766.05/147,183.55
  6. Step 6: Final answer
    x = 80,545.95

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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.