Home / 234,847.64-352,186.50-99,920.72

Finding the Fourth Proportional to 234,847.64, 352,186.50 and 99,920.72

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Solution

The fourth proportional to 234,847.64, 352,186.50 and 99,920.72 is: 149,844.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,847.64 : 352,186.50 = 99,920.72 : x
  2. Step 2: Convert to fraction form
    234,847.64/352,186.50 = 99,920.72/x
  3. Step 3: Cross multiply
    234,847.64x = 352,186.50 × 99,920.72
  4. Step 4: Simplify right side
    234,847.64x = 35,190,728,654.28
  5. Step 5: Solve for x
    x = 35,190,728,654.28/234,847.64
  6. Step 6: Final answer
    x = 149,844.93

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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.