Home / 204,348.30-306,522.45-71,184.30

Finding the Fourth Proportional to 204,348.30, 306,522.45 and 71,184.30

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Solution

The fourth proportional to 204,348.30, 306,522.45 and 71,184.30 is: 106,776.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,348.30 : 306,522.45 = 71,184.30 : x
  2. Step 2: Convert to fraction form
    204,348.30/306,522.45 = 71,184.30/x
  3. Step 3: Cross multiply
    204,348.30x = 306,522.45 × 71,184.30
  4. Step 4: Simplify right side
    204,348.30x = 21,819,586,037.54
  5. Step 5: Solve for x
    x = 21,819,586,037.54/204,348.30
  6. Step 6: Final answer
    x = 106,776.45

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1.5x scale

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.