Home / 164,845.50-227,486.79-89,394.18

Finding the Fourth Proportional to 164,845.50, 227,486.79 and 89,394.18

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Solution

The fourth proportional to 164,845.50, 227,486.79 and 89,394.18 is: 123,363.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,845.50 : 227,486.79 = 89,394.18 : x
  2. Step 2: Convert to fraction form
    164,845.50/227,486.79 = 89,394.18/x
  3. Step 3: Cross multiply
    164,845.50x = 227,486.79 × 89,394.18
  4. Step 4: Simplify right side
    164,845.50x = 20,335,995,052.88
  5. Step 5: Solve for x
    x = 20,335,995,052.88/164,845.50
  6. Step 6: Final answer
    x = 123,363.97

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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.