Home / 193,867.88-290,822.67-81,559.53

Finding the Fourth Proportional to 193,867.88, 290,822.67 and 81,559.53

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Solution

The fourth proportional to 193,867.88, 290,822.67 and 81,559.53 is: 122,348.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,867.88 : 290,822.67 = 81,559.53 : x
  2. Step 2: Convert to fraction form
    193,867.88/290,822.67 = 81,559.53/x
  3. Step 3: Cross multiply
    193,867.88x = 290,822.67 × 81,559.53
  4. Step 4: Simplify right side
    193,867.88x = 23,719,360,278.55
  5. Step 5: Solve for x
    x = 23,719,360,278.55/193,867.88
  6. Step 6: Final answer
    x = 122,348.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.