Home / 146,190.51-201,687.33-91,719.60

Finding the Fourth Proportional to 146,190.51, 201,687.33 and 91,719.60

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Solution

The fourth proportional to 146,190.51, 201,687.33 and 91,719.60 is: 126,538.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,190.51 : 201,687.33 = 91,719.60 : x
  2. Step 2: Convert to fraction form
    146,190.51/201,687.33 = 91,719.60/x
  3. Step 3: Cross multiply
    146,190.51x = 201,687.33 × 91,719.60
  4. Step 4: Simplify right side
    146,190.51x = 18,498,681,232.67
  5. Step 5: Solve for x
    x = 18,498,681,232.67/146,190.51
  6. Step 6: Final answer
    x = 126,538.18

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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.