Home / 192,791.22-288,683.82-155,145.66

Finding the Fourth Proportional to 192,791.22, 288,683.82 and 155,145.66

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Solution

The fourth proportional to 192,791.22, 288,683.82 and 155,145.66 is: 232,313.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,791.22 : 288,683.82 = 155,145.66 : x
  2. Step 2: Convert to fraction form
    192,791.22/288,683.82 = 155,145.66/x
  3. Step 3: Cross multiply
    192,791.22x = 288,683.82 × 155,145.66
  4. Step 4: Simplify right side
    192,791.22x = 44,788,041,785.22
  5. Step 5: Solve for x
    x = 44,788,041,785.22/192,791.22
  6. Step 6: Final answer
    x = 232,313.70

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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.