Home / 376,942.13-520,184.16-204,860.11

Finding the Fourth Proportional to 376,942.13, 520,184.16 and 204,860.11

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Solution

The fourth proportional to 376,942.13, 520,184.16 and 204,860.11 is: 282,709.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,942.13 : 520,184.16 = 204,860.11 : x
  2. Step 2: Convert to fraction form
    376,942.13/520,184.16 = 204,860.11/x
  3. Step 3: Cross multiply
    376,942.13x = 520,184.16 × 204,860.11
  4. Step 4: Simplify right side
    376,942.13x = 106,564,981,651.84
  5. Step 5: Solve for x
    x = 106,564,981,651.84/376,942.13
  6. Step 6: Final answer
    x = 282,709.13

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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.