Home / 202,629.70-279,663.72-117,795.94

Finding the Fourth Proportional to 202,629.70, 279,663.72 and 117,795.94

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Solution

The fourth proportional to 202,629.70, 279,663.72 and 117,795.94 is: 162,578.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,629.70 : 279,663.72 = 117,795.94 : x
  2. Step 2: Convert to fraction form
    202,629.70/279,663.72 = 117,795.94/x
  3. Step 3: Cross multiply
    202,629.70x = 279,663.72 × 117,795.94
  4. Step 4: Simplify right side
    202,629.70x = 32,943,250,781.30
  5. Step 5: Solve for x
    x = 32,943,250,781.30/202,629.70
  6. Step 6: Final answer
    x = 162,578.59

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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.