Home / 159,853.86-220,582.60-88,229.25

Finding the Fourth Proportional to 159,853.86, 220,582.60 and 88,229.25

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Solution

The fourth proportional to 159,853.86, 220,582.60 and 88,229.25 is: 121,747.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,853.86 : 220,582.60 = 88,229.25 : x
  2. Step 2: Convert to fraction form
    159,853.86/220,582.60 = 88,229.25/x
  3. Step 3: Cross multiply
    159,853.86x = 220,582.60 × 88,229.25
  4. Step 4: Simplify right side
    159,853.86x = 19,461,837,361.05
  5. Step 5: Solve for x
    x = 19,461,837,361.05/159,853.86
  6. Step 6: Final answer
    x = 121,747.68

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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.