Home / 204,352.20-282,135.60-139,929.24

Finding the Fourth Proportional to 204,352.20, 282,135.60 and 139,929.24

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Solution

The fourth proportional to 204,352.20, 282,135.60 and 139,929.24 is: 193,191.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,352.20 : 282,135.60 = 139,929.24 : x
  2. Step 2: Convert to fraction form
    204,352.20/282,135.60 = 139,929.24/x
  3. Step 3: Cross multiply
    204,352.20x = 282,135.60 × 139,929.24
  4. Step 4: Simplify right side
    204,352.20x = 39,479,020,084.94
  5. Step 5: Solve for x
    x = 39,479,020,084.94/204,352.20
  6. Step 6: Final answer
    x = 193,191.07

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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.