Home / 165,198.57-227,975.63-89,747.61

Finding the Fourth Proportional to 165,198.57, 227,975.63 and 89,747.61

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Solution

The fourth proportional to 165,198.57, 227,975.63 and 89,747.61 is: 123,852.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,198.57 : 227,975.63 = 89,747.61 : x
  2. Step 2: Convert to fraction form
    165,198.57/227,975.63 = 89,747.61/x
  3. Step 3: Cross multiply
    165,198.57x = 227,975.63 × 89,747.61
  4. Step 4: Simplify right side
    165,198.57x = 20,460,267,930.74
  5. Step 5: Solve for x
    x = 20,460,267,930.74/165,198.57
  6. Step 6: Final answer
    x = 123,852.57

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1.5x scale

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.