Home / 202,196.65-279,029.45-111,553.35

Finding the Fourth Proportional to 202,196.65, 279,029.45 and 111,553.35

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Solution

The fourth proportional to 202,196.65, 279,029.45 and 111,553.35 is: 153,942.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,196.65 : 279,029.45 = 111,553.35 : x
  2. Step 2: Convert to fraction form
    202,196.65/279,029.45 = 111,553.35/x
  3. Step 3: Cross multiply
    202,196.65x = 279,029.45 × 111,553.35
  4. Step 4: Simplify right side
    202,196.65x = 31,126,669,896.16
  5. Step 5: Solve for x
    x = 31,126,669,896.16/202,196.65
  6. Step 6: Final answer
    x = 153,942.56

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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.