Home / 223,916.97-308,986.74-132,021.66

Finding the Fourth Proportional to 223,916.97, 308,986.74 and 132,021.66

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Solution

The fourth proportional to 223,916.97, 308,986.74 and 132,021.66 is: 182,178.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,916.97 : 308,986.74 = 132,021.66 : x
  2. Step 2: Convert to fraction form
    223,916.97/308,986.74 = 132,021.66/x
  3. Step 3: Cross multiply
    223,916.97x = 308,986.74 × 132,021.66
  4. Step 4: Simplify right side
    223,916.97x = 40,792,942,332.79
  5. Step 5: Solve for x
    x = 40,792,942,332.79/223,916.97
  6. Step 6: Final answer
    x = 182,178.88

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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.