Home / 202,557.41-279,505.39-111,907.97

Finding the Fourth Proportional to 202,557.41, 279,505.39 and 111,907.97

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Solution

The fourth proportional to 202,557.41, 279,505.39 and 111,907.97 is: 154,419.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,557.41 : 279,505.39 = 111,907.97 : x
  2. Step 2: Convert to fraction form
    202,557.41/279,505.39 = 111,907.97/x
  3. Step 3: Cross multiply
    202,557.41x = 279,505.39 × 111,907.97
  4. Step 4: Simplify right side
    202,557.41x = 31,278,880,798.96
  5. Step 5: Solve for x
    x = 31,278,880,798.96/202,557.41
  6. Step 6: Final answer
    x = 154,419.83

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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.