Home / 213,873.12-294,942.94-159,545.20

Finding the Fourth Proportional to 213,873.12, 294,942.94 and 159,545.20

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Solution

The fourth proportional to 213,873.12, 294,942.94 and 159,545.20 is: 220,021.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,873.12 : 294,942.94 = 159,545.20 : x
  2. Step 2: Convert to fraction form
    213,873.12/294,942.94 = 159,545.20/x
  3. Step 3: Cross multiply
    213,873.12x = 294,942.94 × 159,545.20
  4. Step 4: Simplify right side
    213,873.12x = 47,056,730,350.89
  5. Step 5: Solve for x
    x = 47,056,730,350.89/213,873.12
  6. Step 6: Final answer
    x = 220,021.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.