Home / 297,098.07-409,958.51-189,730.95

Finding the Fourth Proportional to 297,098.07, 409,958.51 and 189,730.95

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Solution

The fourth proportional to 297,098.07, 409,958.51 and 189,730.95 is: 261,805.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,098.07 : 409,958.51 = 189,730.95 : x
  2. Step 2: Convert to fraction form
    297,098.07/409,958.51 = 189,730.95/x
  3. Step 3: Cross multiply
    297,098.07x = 409,958.51 × 189,730.95
  4. Step 4: Simplify right side
    297,098.07x = 77,781,816,614.23
  5. Step 5: Solve for x
    x = 77,781,816,614.23/297,098.07
  6. Step 6: Final answer
    x = 261,805.19

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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.