Home / 193,699.86-267,291.95-121,135.35

Finding the Fourth Proportional to 193,699.86, 267,291.95 and 121,135.35

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Solution

The fourth proportional to 193,699.86, 267,291.95 and 121,135.35 is: 167,158.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,699.86 : 267,291.95 = 121,135.35 : x
  2. Step 2: Convert to fraction form
    193,699.86/267,291.95 = 121,135.35/x
  3. Step 3: Cross multiply
    193,699.86x = 267,291.95 × 121,135.35
  4. Step 4: Simplify right side
    193,699.86x = 32,378,503,489.97
  5. Step 5: Solve for x
    x = 32,378,503,489.97/193,699.86
  6. Step 6: Final answer
    x = 167,158.12

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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.