Home / 193,985.51-267,699.94-109,102.50

Finding the Fourth Proportional to 193,985.51, 267,699.94 and 109,102.50

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Solution

The fourth proportional to 193,985.51, 267,699.94 and 109,102.50 is: 150,561.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,985.51 : 267,699.94 = 109,102.50 : x
  2. Step 2: Convert to fraction form
    193,985.51/267,699.94 = 109,102.50/x
  3. Step 3: Cross multiply
    193,985.51x = 267,699.94 × 109,102.50
  4. Step 4: Simplify right side
    193,985.51x = 29,206,732,431.09
  5. Step 5: Solve for x
    x = 29,206,732,431.09/193,985.51
  6. Step 6: Final answer
    x = 150,561.42

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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.