Home / 217,846.85-326,825.71-127,965.57

Finding the Fourth Proportional to 217,846.85, 326,825.71 and 127,965.57

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Solution

The fourth proportional to 217,846.85, 326,825.71 and 127,965.57 is: 191,980.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,846.85 : 326,825.71 = 127,965.57 : x
  2. Step 2: Convert to fraction form
    217,846.85/326,825.71 = 127,965.57/x
  3. Step 3: Cross multiply
    217,846.85x = 326,825.71 × 127,965.57
  4. Step 4: Simplify right side
    217,846.85x = 41,822,438,270.80
  5. Step 5: Solve for x
    x = 41,822,438,270.80/217,846.85
  6. Step 6: Final answer
    x = 191,980.92

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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.