Home / 205,013.04-307,508.61-55,250.92

Finding the Fourth Proportional to 205,013.04, 307,508.61 and 55,250.92

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Solution

The fourth proportional to 205,013.04, 307,508.61 and 55,250.92 is: 82,873.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,013.04 : 307,508.61 = 55,250.92 : x
  2. Step 2: Convert to fraction form
    205,013.04/307,508.61 = 55,250.92/x
  3. Step 3: Cross multiply
    205,013.04x = 307,508.61 × 55,250.92
  4. Step 4: Simplify right side
    205,013.04x = 16,990,133,610.42
  5. Step 5: Solve for x
    x = 16,990,133,610.42/205,013.04
  6. Step 6: Final answer
    x = 82,873.43

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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.