Home / 159,844.08-220,584.37-88,223.61

Finding the Fourth Proportional to 159,844.08, 220,584.37 and 88,223.61

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Solution

The fourth proportional to 159,844.08, 220,584.37 and 88,223.61 is: 121,748.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,844.08 : 220,584.37 = 88,223.61 : x
  2. Step 2: Convert to fraction form
    159,844.08/220,584.37 = 88,223.61/x
  3. Step 3: Cross multiply
    159,844.08x = 220,584.37 × 88,223.61
  4. Step 4: Simplify right side
    159,844.08x = 19,460,749,430.98
  5. Step 5: Solve for x
    x = 19,460,749,430.98/159,844.08
  6. Step 6: Final answer
    x = 121,748.33

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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.