Home / 204,670.76-306,439.32-104,615.60

Finding the Fourth Proportional to 204,670.76, 306,439.32 and 104,615.60

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Solution

The fourth proportional to 204,670.76, 306,439.32 and 104,615.60 is: 156,633.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,670.76 : 306,439.32 = 104,615.60 : x
  2. Step 2: Convert to fraction form
    204,670.76/306,439.32 = 104,615.60/x
  3. Step 3: Cross multiply
    204,670.76x = 306,439.32 × 104,615.60
  4. Step 4: Simplify right side
    204,670.76x = 32,058,333,325.39
  5. Step 5: Solve for x
    x = 32,058,333,325.39/204,670.76
  6. Step 6: Final answer
    x = 156,633.68

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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.