Home / 159,646.06-220,129.41-119,291.86

Finding the Fourth Proportional to 159,646.06, 220,129.41 and 119,291.86

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Solution

The fourth proportional to 159,646.06, 220,129.41 and 119,291.86 is: 164,486.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,646.06 : 220,129.41 = 119,291.86 : x
  2. Step 2: Convert to fraction form
    159,646.06/220,129.41 = 119,291.86/x
  3. Step 3: Cross multiply
    159,646.06x = 220,129.41 × 119,291.86
  4. Step 4: Simplify right side
    159,646.06x = 26,259,646,759.60
  5. Step 5: Solve for x
    x = 26,259,646,759.60/159,646.06
  6. Step 6: Final answer
    x = 164,486.66

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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.