Home / 261,191.10-391,764.78-184,974.42

Finding the Fourth Proportional to 261,191.10, 391,764.78 and 184,974.42

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Solution

The fourth proportional to 261,191.10, 391,764.78 and 184,974.42 is: 277,446.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,191.10 : 391,764.78 = 184,974.42 : x
  2. Step 2: Convert to fraction form
    261,191.10/391,764.78 = 184,974.42/x
  3. Step 3: Cross multiply
    261,191.10x = 391,764.78 × 184,974.42
  4. Step 4: Simplify right side
    261,191.10x = 72,466,464,426.05
  5. Step 5: Solve for x
    x = 72,466,464,426.05/261,191.10
  6. Step 6: Final answer
    x = 277,446.14

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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.