Home / 405,137.16-559,086.99-223,849.14

Finding the Fourth Proportional to 405,137.16, 559,086.99 and 223,849.14

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Solution

The fourth proportional to 405,137.16, 559,086.99 and 223,849.14 is: 308,910.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,137.16 : 559,086.99 = 223,849.14 : x
  2. Step 2: Convert to fraction form
    405,137.16/559,086.99 = 223,849.14/x
  3. Step 3: Cross multiply
    405,137.16x = 559,086.99 × 223,849.14
  4. Step 4: Simplify right side
    405,137.16x = 125,151,141,896.69
  5. Step 5: Solve for x
    x = 125,151,141,896.69/405,137.16
  6. Step 6: Final answer
    x = 308,910.55

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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.