Home / 234,760.08-323,861.31-139,231.92

Finding the Fourth Proportional to 234,760.08, 323,861.31 and 139,231.92

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Solution

The fourth proportional to 234,760.08, 323,861.31 and 139,231.92 is: 192,076.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,760.08 : 323,861.31 = 139,231.92 : x
  2. Step 2: Convert to fraction form
    234,760.08/323,861.31 = 139,231.92/x
  3. Step 3: Cross multiply
    234,760.08x = 323,861.31 × 139,231.92
  4. Step 4: Simplify right side
    234,760.08x = 45,091,832,005.02
  5. Step 5: Solve for x
    x = 45,091,832,005.02/234,760.08
  6. Step 6: Final answer
    x = 192,076.23

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1.5x scale

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.