Home / 192,939.52-289,370.24-52,686.40

Finding the Fourth Proportional to 192,939.52, 289,370.24 and 52,686.40

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Solution

The fourth proportional to 192,939.52, 289,370.24 and 52,686.40 is: 79,018.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,939.52 : 289,370.24 = 52,686.40 : x
  2. Step 2: Convert to fraction form
    192,939.52/289,370.24 = 52,686.40/x
  3. Step 3: Cross multiply
    192,939.52x = 289,370.24 × 52,686.40
  4. Step 4: Simplify right side
    192,939.52x = 15,245,876,212.74
  5. Step 5: Solve for x
    x = 15,245,876,212.74/192,939.52
  6. Step 6: Final answer
    x = 79,018.94

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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.