Home / 163,764.70-226,001.91-91,170.56

Finding the Fourth Proportional to 163,764.70, 226,001.91 and 91,170.56

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Solution

The fourth proportional to 163,764.70, 226,001.91 and 91,170.56 is: 125,819.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,764.70 : 226,001.91 = 91,170.56 : x
  2. Step 2: Convert to fraction form
    163,764.70/226,001.91 = 91,170.56/x
  3. Step 3: Cross multiply
    163,764.70x = 226,001.91 × 91,170.56
  4. Step 4: Simplify right side
    163,764.70x = 20,604,721,602.66
  5. Step 5: Solve for x
    x = 20,604,721,602.66/163,764.70
  6. Step 6: Final answer
    x = 125,819.07

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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.