Home / 234,724.86-352,215-99,767.79

Finding the Fourth Proportional to 234,724.86, 352,215 and 99,767.79

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Solution

The fourth proportional to 234,724.86, 352,215 and 99,767.79 is: 149,705.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,724.86 : 352,215 = 99,767.79 : x
  2. Step 2: Convert to fraction form
    234,724.86/352,215 = 99,767.79/x
  3. Step 3: Cross multiply
    234,724.86x = 352,215 × 99,767.79
  4. Step 4: Simplify right side
    234,724.86x = 35,139,712,154.85
  5. Step 5: Solve for x
    x = 35,139,712,154.85/234,724.86
  6. Step 6: Final answer
    x = 149,705.97

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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.