Home / 192,867.52-266,099.61-124,776.64

Finding the Fourth Proportional to 192,867.52, 266,099.61 and 124,776.64

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Solution

The fourth proportional to 192,867.52, 266,099.61 and 124,776.64 is: 172,154.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,867.52 : 266,099.61 = 124,776.64 : x
  2. Step 2: Convert to fraction form
    192,867.52/266,099.61 = 124,776.64/x
  3. Step 3: Cross multiply
    192,867.52x = 266,099.61 × 124,776.64
  4. Step 4: Simplify right side
    192,867.52x = 33,203,015,241.11
  5. Step 5: Solve for x
    x = 33,203,015,241.11/192,867.52
  6. Step 6: Final answer
    x = 172,154.52

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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.