Home / 192,247.55-288,429.76-136,196.11

Finding the Fourth Proportional to 192,247.55, 288,429.76 and 136,196.11

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Solution

The fourth proportional to 192,247.55, 288,429.76 and 136,196.11 is: 204,335.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,247.55 : 288,429.76 = 136,196.11 : x
  2. Step 2: Convert to fraction form
    192,247.55/288,429.76 = 136,196.11/x
  3. Step 3: Cross multiply
    192,247.55x = 288,429.76 × 136,196.11
  4. Step 4: Simplify right side
    192,247.55x = 39,283,011,039.81
  5. Step 5: Solve for x
    x = 39,283,011,039.81/192,247.55
  6. Step 6: Final answer
    x = 204,335.56

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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.