Home / 234,691.15-352,051.59-90,665.66

Finding the Fourth Proportional to 234,691.15, 352,051.59 and 90,665.66

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Solution

The fourth proportional to 234,691.15, 352,051.59 and 90,665.66 is: 136,004.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,691.15 : 352,051.59 = 90,665.66 : x
  2. Step 2: Convert to fraction form
    234,691.15/352,051.59 = 90,665.66/x
  3. Step 3: Cross multiply
    234,691.15x = 352,051.59 × 90,665.66
  4. Step 4: Simplify right side
    234,691.15x = 31,918,989,308.07
  5. Step 5: Solve for x
    x = 31,918,989,308.07/234,691.15
  6. Step 6: Final answer
    x = 136,004.23

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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.