Home / 181,105.60-271,439.70-92,313.40

Finding the Fourth Proportional to 181,105.60, 271,439.70 and 92,313.40

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Solution

The fourth proportional to 181,105.60, 271,439.70 and 92,313.40 is: 138,358.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,105.60 : 271,439.70 = 92,313.40 : x
  2. Step 2: Convert to fraction form
    181,105.60/271,439.70 = 92,313.40/x
  3. Step 3: Cross multiply
    181,105.60x = 271,439.70 × 92,313.40
  4. Step 4: Simplify right side
    181,105.60x = 25,057,521,601.98
  5. Step 5: Solve for x
    x = 25,057,521,601.98/181,105.60
  6. Step 6: Final answer
    x = 138,358.62

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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.