Home / 193,917.12-267,384.99-136,538.10

Finding the Fourth Proportional to 193,917.12, 267,384.99 and 136,538.10

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Solution

The fourth proportional to 193,917.12, 267,384.99 and 136,538.10 is: 188,267.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,917.12 : 267,384.99 = 136,538.10 : x
  2. Step 2: Convert to fraction form
    193,917.12/267,384.99 = 136,538.10/x
  3. Step 3: Cross multiply
    193,917.12x = 267,384.99 × 136,538.10
  4. Step 4: Simplify right side
    193,917.12x = 36,508,238,503.12
  5. Step 5: Solve for x
    x = 36,508,238,503.12/193,917.12
  6. Step 6: Final answer
    x = 188,267.23

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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.