Home / 202,097.33-278,896.07-111,456.53

Finding the Fourth Proportional to 202,097.33, 278,896.07 and 111,456.53

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Solution

The fourth proportional to 202,097.33, 278,896.07 and 111,456.53 is: 153,810.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,097.33 : 278,896.07 = 111,456.53 : x
  2. Step 2: Convert to fraction form
    202,097.33/278,896.07 = 111,456.53/x
  3. Step 3: Cross multiply
    202,097.33x = 278,896.07 × 111,456.53
  4. Step 4: Simplify right side
    202,097.33x = 31,084,787,635.55
  5. Step 5: Solve for x
    x = 31,084,787,635.55/202,097.33
  6. Step 6: Final answer
    x = 153,810.98

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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.