Home / 323,601.24-485,356.50-136,569

Finding the Fourth Proportional to 323,601.24, 485,356.50 and 136,569

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Solution

The fourth proportional to 323,601.24, 485,356.50 and 136,569 is: 204,834.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,601.24 : 485,356.50 = 136,569 : x
  2. Step 2: Convert to fraction form
    323,601.24/485,356.50 = 136,569/x
  3. Step 3: Cross multiply
    323,601.24x = 485,356.50 × 136,569
  4. Step 4: Simplify right side
    323,601.24x = 66,284,651,848.50
  5. Step 5: Solve for x
    x = 66,284,651,848.50/323,601.24
  6. Step 6: Final answer
    x = 204,834.36

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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.