Home / 159,588.03-220,169.68-91,580.43

Finding the Fourth Proportional to 159,588.03, 220,169.68 and 91,580.43

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Solution

The fourth proportional to 159,588.03, 220,169.68 and 91,580.43 is: 126,345.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,588.03 : 220,169.68 = 91,580.43 : x
  2. Step 2: Convert to fraction form
    159,588.03/220,169.68 = 91,580.43/x
  3. Step 3: Cross multiply
    159,588.03x = 220,169.68 × 91,580.43
  4. Step 4: Simplify right side
    159,588.03x = 20,163,233,967.36
  5. Step 5: Solve for x
    x = 20,163,233,967.36/159,588.03
  6. Step 6: Final answer
    x = 126,345.53

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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.