Home / 204,360.11-306,541.88-71,240.12

Finding the Fourth Proportional to 204,360.11, 306,541.88 and 71,240.12

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Solution

The fourth proportional to 204,360.11, 306,541.88 and 71,240.12 is: 106,860.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,360.11 : 306,541.88 = 71,240.12 : x
  2. Step 2: Convert to fraction form
    204,360.11/306,541.88 = 71,240.12/x
  3. Step 3: Cross multiply
    204,360.11x = 306,541.88 × 71,240.12
  4. Step 4: Simplify right side
    204,360.11x = 21,838,078,427.32
  5. Step 5: Solve for x
    x = 21,838,078,427.32/204,360.11
  6. Step 6: Final answer
    x = 106,860.77

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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.