Home / 247,002.72-340,861.52-133,825.20

Finding the Fourth Proportional to 247,002.72, 340,861.52 and 133,825.20

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Solution

The fourth proportional to 247,002.72, 340,861.52 and 133,825.20 is: 184,677.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,002.72 : 340,861.52 = 133,825.20 : x
  2. Step 2: Convert to fraction form
    247,002.72/340,861.52 = 133,825.20/x
  3. Step 3: Cross multiply
    247,002.72x = 340,861.52 × 133,825.20
  4. Step 4: Simplify right side
    247,002.72x = 45,615,861,086.30
  5. Step 5: Solve for x
    x = 45,615,861,086.30/247,002.72
  6. Step 6: Final answer
    x = 184,677.57

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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.