Home / 181,300.14-271,856.82-81,374.66

Finding the Fourth Proportional to 181,300.14, 271,856.82 and 81,374.66

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Solution

The fourth proportional to 181,300.14, 271,856.82 and 81,374.66 is: 122,020.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,300.14 : 271,856.82 = 81,374.66 : x
  2. Step 2: Convert to fraction form
    181,300.14/271,856.82 = 81,374.66/x
  3. Step 3: Cross multiply
    181,300.14x = 271,856.82 × 81,374.66
  4. Step 4: Simplify right side
    181,300.14x = 22,122,256,296.18
  5. Step 5: Solve for x
    x = 22,122,256,296.18/181,300.14
  6. Step 6: Final answer
    x = 122,020.07

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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.