Home / 202,640.06-279,678.01-117,806.33

Finding the Fourth Proportional to 202,640.06, 279,678.01 and 117,806.33

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Solution

The fourth proportional to 202,640.06, 279,678.01 and 117,806.33 is: 162,592.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,640.06 : 279,678.01 = 117,806.33 : x
  2. Step 2: Convert to fraction form
    202,640.06/279,678.01 = 117,806.33/x
  3. Step 3: Cross multiply
    202,640.06x = 279,678.01 × 117,806.33
  4. Step 4: Simplify right side
    202,640.06x = 32,947,839,939.80
  5. Step 5: Solve for x
    x = 32,947,839,939.80/202,640.06
  6. Step 6: Final answer
    x = 162,592.92

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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.