Home / 204,472.16-306,611.04-71,336.32

Finding the Fourth Proportional to 204,472.16, 306,611.04 and 71,336.32

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Solution

The fourth proportional to 204,472.16, 306,611.04 and 71,336.32 is: 106,970.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,472.16 : 306,611.04 = 71,336.32 : x
  2. Step 2: Convert to fraction form
    204,472.16/306,611.04 = 71,336.32/x
  3. Step 3: Cross multiply
    204,472.16x = 306,611.04 × 71,336.32
  4. Step 4: Simplify right side
    204,472.16x = 21,872,503,264.97
  5. Step 5: Solve for x
    x = 21,872,503,264.97/204,472.16
  6. Step 6: Final answer
    x = 106,970.57

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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.