Home / 217,845.94-326,769.16-68,087.01

Finding the Fourth Proportional to 217,845.94, 326,769.16 and 68,087.01

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Solution

The fourth proportional to 217,845.94, 326,769.16 and 68,087.01 is: 102,130.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,845.94 : 326,769.16 = 68,087.01 : x
  2. Step 2: Convert to fraction form
    217,845.94/326,769.16 = 68,087.01/x
  3. Step 3: Cross multiply
    217,845.94x = 326,769.16 × 68,087.01
  4. Step 4: Simplify right side
    217,845.94x = 22,248,735,064.61
  5. Step 5: Solve for x
    x = 22,248,735,064.61/217,845.94
  6. Step 6: Final answer
    x = 102,130.59

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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.