Home / 101,159.78-151,739.76-26,273.66

Finding the Fourth Proportional to 101,159.78, 151,739.76 and 26,273.66

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Solution

The fourth proportional to 101,159.78, 151,739.76 and 26,273.66 is: 39,410.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,159.78 : 151,739.76 = 26,273.66 : x
  2. Step 2: Convert to fraction form
    101,159.78/151,739.76 = 26,273.66/x
  3. Step 3: Cross multiply
    101,159.78x = 151,739.76 × 26,273.66
  4. Step 4: Simplify right side
    101,159.78x = 3,986,758,104.02
  5. Step 5: Solve for x
    x = 3,986,758,104.02/101,159.78
  6. Step 6: Final answer
    x = 39,410.51

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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.