Home / 204,330.87-306,523.08-67,508.51

Finding the Fourth Proportional to 204,330.87, 306,523.08 and 67,508.51

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Solution

The fourth proportional to 204,330.87, 306,523.08 and 67,508.51 is: 101,271.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,330.87 : 306,523.08 = 67,508.51 : x
  2. Step 2: Convert to fraction form
    204,330.87/306,523.08 = 67,508.51/x
  3. Step 3: Cross multiply
    204,330.87x = 306,523.08 × 67,508.51
  4. Step 4: Simplify right side
    204,330.87x = 20,692,917,476.49
  5. Step 5: Solve for x
    x = 20,692,917,476.49/204,330.87
  6. Step 6: Final answer
    x = 101,271.62

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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.