Home / 202,237.27-279,087.11-111,593.17

Finding the Fourth Proportional to 202,237.27, 279,087.11 and 111,593.17

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Solution

The fourth proportional to 202,237.27, 279,087.11 and 111,593.17 is: 153,998.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,237.27 : 279,087.11 = 111,593.17 : x
  2. Step 2: Convert to fraction form
    202,237.27/279,087.11 = 111,593.17/x
  3. Step 3: Cross multiply
    202,237.27x = 279,087.11 × 111,593.17
  4. Step 4: Simplify right side
    202,237.27x = 31,144,213,950.54
  5. Step 5: Solve for x
    x = 31,144,213,950.54/202,237.27
  6. Step 6: Final answer
    x = 153,998.39

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1.5x scale

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.