Home / 227,628.20-341,442.30-156,769.40

Finding the Fourth Proportional to 227,628.20, 341,442.30 and 156,769.40

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Solution

The fourth proportional to 227,628.20, 341,442.30 and 156,769.40 is: 235,154.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,628.20 : 341,442.30 = 156,769.40 : x
  2. Step 2: Convert to fraction form
    227,628.20/341,442.30 = 156,769.40/x
  3. Step 3: Cross multiply
    227,628.20x = 341,442.30 × 156,769.40
  4. Step 4: Simplify right side
    227,628.20x = 53,527,704,505.62
  5. Step 5: Solve for x
    x = 53,527,704,505.62/227,628.20
  6. Step 6: Final answer
    x = 235,154.10

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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.