Home / 405,202.29-559,212.83-223,949.61

Finding the Fourth Proportional to 405,202.29, 559,212.83 and 223,949.61

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Solution

The fourth proportional to 405,202.29, 559,212.83 and 223,949.61 is: 309,069.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,202.29 : 559,212.83 = 223,949.61 : x
  2. Step 2: Convert to fraction form
    405,202.29/559,212.83 = 223,949.61/x
  3. Step 3: Cross multiply
    405,202.29x = 559,212.83 × 223,949.61
  4. Step 4: Simplify right side
    405,202.29x = 125,235,495,185.50
  5. Step 5: Solve for x
    x = 125,235,495,185.50/405,202.29
  6. Step 6: Final answer
    x = 309,069.07

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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.