Home / 165,687.39-228,640.59-94,057.74

Finding the Fourth Proportional to 165,687.39, 228,640.59 and 94,057.74

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Solution

The fourth proportional to 165,687.39, 228,640.59 and 94,057.74 is: 129,795.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,687.39 : 228,640.59 = 94,057.74 : x
  2. Step 2: Convert to fraction form
    165,687.39/228,640.59 = 94,057.74/x
  3. Step 3: Cross multiply
    165,687.39x = 228,640.59 × 94,057.74
  4. Step 4: Simplify right side
    165,687.39x = 21,505,417,167.67
  5. Step 5: Solve for x
    x = 21,505,417,167.67/165,687.39
  6. Step 6: Final answer
    x = 129,795.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.