Home / 227,200.20-340,800.30-77,609.40

Finding the Fourth Proportional to 227,200.20, 340,800.30 and 77,609.40

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Solution

The fourth proportional to 227,200.20, 340,800.30 and 77,609.40 is: 116,414.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,200.20 : 340,800.30 = 77,609.40 : x
  2. Step 2: Convert to fraction form
    227,200.20/340,800.30 = 77,609.40/x
  3. Step 3: Cross multiply
    227,200.20x = 340,800.30 × 77,609.40
  4. Step 4: Simplify right side
    227,200.20x = 26,449,306,802.82
  5. Step 5: Solve for x
    x = 26,449,306,802.82/227,200.20
  6. Step 6: Final answer
    x = 116,414.10

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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.