Home / 198,206.20-296,906.10-123,095.80

Finding the Fourth Proportional to 198,206.20, 296,906.10 and 123,095.80

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Solution

The fourth proportional to 198,206.20, 296,906.10 and 123,095.80 is: 184,393.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,206.20 : 296,906.10 = 123,095.80 : x
  2. Step 2: Convert to fraction form
    198,206.20/296,906.10 = 123,095.80/x
  3. Step 3: Cross multiply
    198,206.20x = 296,906.10 × 123,095.80
  4. Step 4: Simplify right side
    198,206.20x = 36,547,893,904.38
  5. Step 5: Solve for x
    x = 36,547,893,904.38/198,206.20
  6. Step 6: Final answer
    x = 184,393.29

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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.