Home / 247,069.20-340,956.72-133,891.68

Finding the Fourth Proportional to 247,069.20, 340,956.72 and 133,891.68

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Solution

The fourth proportional to 247,069.20, 340,956.72 and 133,891.68 is: 184,771.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,069.20 : 340,956.72 = 133,891.68 : x
  2. Step 2: Convert to fraction form
    247,069.20/340,956.72 = 133,891.68/x
  3. Step 3: Cross multiply
    247,069.20x = 340,956.72 × 133,891.68
  4. Step 4: Simplify right side
    247,069.20x = 45,651,268,048.09
  5. Step 5: Solve for x
    x = 45,651,268,048.09/247,069.20
  6. Step 6: Final answer
    x = 184,771.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.