Home / 159,845.07-220,587.75-88,223.61

Finding the Fourth Proportional to 159,845.07, 220,587.75 and 88,223.61

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Solution

The fourth proportional to 159,845.07, 220,587.75 and 88,223.61 is: 121,749.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,845.07 : 220,587.75 = 88,223.61 : x
  2. Step 2: Convert to fraction form
    159,845.07/220,587.75 = 88,223.61/x
  3. Step 3: Cross multiply
    159,845.07x = 220,587.75 × 88,223.61
  4. Step 4: Simplify right side
    159,845.07x = 19,461,047,626.78
  5. Step 5: Solve for x
    x = 19,461,047,626.78/159,845.07
  6. Step 6: Final answer
    x = 121,749.44

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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.