Home / 204,475.60-306,713.40-115,902.10

Finding the Fourth Proportional to 204,475.60, 306,713.40 and 115,902.10

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Solution

The fourth proportional to 204,475.60, 306,713.40 and 115,902.10 is: 173,853.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,475.60 : 306,713.40 = 115,902.10 : x
  2. Step 2: Convert to fraction form
    204,475.60/306,713.40 = 115,902.10/x
  3. Step 3: Cross multiply
    204,475.60x = 306,713.40 × 115,902.10
  4. Step 4: Simplify right side
    204,475.60x = 35,548,727,158.14
  5. Step 5: Solve for x
    x = 35,548,727,158.14/204,475.60
  6. Step 6: Final answer
    x = 173,853.15

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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.