Home / 377,961.57-521,586.99-208,195.74

Finding the Fourth Proportional to 377,961.57, 521,586.99 and 208,195.74

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Solution

The fourth proportional to 377,961.57, 521,586.99 and 208,195.74 is: 287,310.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,961.57 : 521,586.99 = 208,195.74 : x
  2. Step 2: Convert to fraction form
    377,961.57/521,586.99 = 208,195.74/x
  3. Step 3: Cross multiply
    377,961.57x = 521,586.99 × 208,195.74
  4. Step 4: Simplify right side
    377,961.57x = 108,592,189,357.42
  5. Step 5: Solve for x
    x = 108,592,189,357.42/377,961.57
  6. Step 6: Final answer
    x = 287,310.13

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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.