Home / 202,904.54-280,097.94-121,261.59

Finding the Fourth Proportional to 202,904.54, 280,097.94 and 121,261.59

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Solution

The fourth proportional to 202,904.54, 280,097.94 and 121,261.59 is: 167,394.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,904.54 : 280,097.94 = 121,261.59 : x
  2. Step 2: Convert to fraction form
    202,904.54/280,097.94 = 121,261.59/x
  3. Step 3: Cross multiply
    202,904.54x = 280,097.94 × 121,261.59
  4. Step 4: Simplify right side
    202,904.54x = 33,965,121,560.12
  5. Step 5: Solve for x
    x = 33,965,121,560.12/202,904.54
  6. Step 6: Final answer
    x = 167,394.59

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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.