Home / 227,631.60-341,447.40-205,081.20

Finding the Fourth Proportional to 227,631.60, 341,447.40 and 205,081.20

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Solution

The fourth proportional to 227,631.60, 341,447.40 and 205,081.20 is: 307,621.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,631.60 : 341,447.40 = 205,081.20 : x
  2. Step 2: Convert to fraction form
    227,631.60/341,447.40 = 205,081.20/x
  3. Step 3: Cross multiply
    227,631.60x = 341,447.40 × 205,081.20
  4. Step 4: Simplify right side
    227,631.60x = 70,024,442,528.88
  5. Step 5: Solve for x
    x = 70,024,442,528.88/227,631.60
  6. Step 6: Final answer
    x = 307,621.80

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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.