Home / 202,566.69-279,517.73-111,917.07

Finding the Fourth Proportional to 202,566.69, 279,517.73 and 111,917.07

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Solution

The fourth proportional to 202,566.69, 279,517.73 and 111,917.07 is: 154,432.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,566.69 : 279,517.73 = 111,917.07 : x
  2. Step 2: Convert to fraction form
    202,566.69/279,517.73 = 111,917.07/x
  3. Step 3: Cross multiply
    202,566.69x = 279,517.73 × 111,917.07
  4. Step 4: Simplify right side
    202,566.69x = 31,282,804,795.07
  5. Step 5: Solve for x
    x = 31,282,804,795.07/202,566.69
  6. Step 6: Final answer
    x = 154,432.13

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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.