Home / 269,922.11-405,132.27-136,895.81

Finding the Fourth Proportional to 269,922.11, 405,132.27 and 136,895.81

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Solution

The fourth proportional to 269,922.11, 405,132.27 and 136,895.81 is: 205,470.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,922.11 : 405,132.27 = 136,895.81 : x
  2. Step 2: Convert to fraction form
    269,922.11/405,132.27 = 136,895.81/x
  3. Step 3: Cross multiply
    269,922.11x = 405,132.27 × 136,895.81
  4. Step 4: Simplify right side
    269,922.11x = 55,460,907,719.77
  5. Step 5: Solve for x
    x = 55,460,907,719.77/269,922.11
  6. Step 6: Final answer
    x = 205,470.05

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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.