Home / 347,895.30-521,813.79-111,174.42

Finding the Fourth Proportional to 347,895.30, 521,813.79 and 111,174.42

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Solution

The fourth proportional to 347,895.30, 521,813.79 and 111,174.42 is: 166,752.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,895.30 : 521,813.79 = 111,174.42 : x
  2. Step 2: Convert to fraction form
    347,895.30/521,813.79 = 111,174.42/x
  3. Step 3: Cross multiply
    347,895.30x = 521,813.79 × 111,174.42
  4. Step 4: Simplify right side
    347,895.30x = 58,012,345,451.25
  5. Step 5: Solve for x
    x = 58,012,345,451.25/347,895.30
  6. Step 6: Final answer
    x = 166,752.31

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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.