Home / 202,708.28-279,761.76-117,825.36

Finding the Fourth Proportional to 202,708.28, 279,761.76 and 117,825.36

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Solution

The fourth proportional to 202,708.28, 279,761.76 and 117,825.36 is: 162,613.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,708.28 : 279,761.76 = 117,825.36 : x
  2. Step 2: Convert to fraction form
    202,708.28/279,761.76 = 117,825.36/x
  3. Step 3: Cross multiply
    202,708.28x = 279,761.76 × 117,825.36
  4. Step 4: Simplify right side
    202,708.28x = 32,963,030,086.23
  5. Step 5: Solve for x
    x = 32,963,030,086.23/202,708.28
  6. Step 6: Final answer
    x = 162,613.14

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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.