Home / 193,344.30-266,910.39-121,834.26

Finding the Fourth Proportional to 193,344.30, 266,910.39 and 121,834.26

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Solution

The fourth proportional to 193,344.30, 266,910.39 and 121,834.26 is: 168,191.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,344.30 : 266,910.39 = 121,834.26 : x
  2. Step 2: Convert to fraction form
    193,344.30/266,910.39 = 121,834.26/x
  3. Step 3: Cross multiply
    193,344.30x = 266,910.39 × 121,834.26
  4. Step 4: Simplify right side
    193,344.30x = 32,518,829,851.96
  5. Step 5: Solve for x
    x = 32,518,829,851.96/193,344.30
  6. Step 6: Final answer
    x = 168,191.30

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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.