Home / 193,813.74-267,485.13-107,781.30

Finding the Fourth Proportional to 193,813.74, 267,485.13 and 107,781.30

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Solution

The fourth proportional to 193,813.74, 267,485.13 and 107,781.30 is: 148,750.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,813.74 : 267,485.13 = 107,781.30 : x
  2. Step 2: Convert to fraction form
    193,813.74/267,485.13 = 107,781.30/x
  3. Step 3: Cross multiply
    193,813.74x = 267,485.13 × 107,781.30
  4. Step 4: Simplify right side
    193,813.74x = 28,829,895,042.07
  5. Step 5: Solve for x
    x = 28,829,895,042.07/193,813.74
  6. Step 6: Final answer
    x = 148,750.52

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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.