Home / 202,206.17-279,049.86-111,563.33

Finding the Fourth Proportional to 202,206.17, 279,049.86 and 111,563.33

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Solution

The fourth proportional to 202,206.17, 279,049.86 and 111,563.33 is: 153,960.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,206.17 : 279,049.86 = 111,563.33 : x
  2. Step 2: Convert to fraction form
    202,206.17/279,049.86 = 111,563.33/x
  3. Step 3: Cross multiply
    202,206.17x = 279,049.86 × 111,563.33
  4. Step 4: Simplify right side
    202,206.17x = 31,131,730,222.38
  5. Step 5: Solve for x
    x = 31,131,730,222.38/202,206.17
  6. Step 6: Final answer
    x = 153,960.34

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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.