Home / 198,223.29-273,548.28-107,579.23

Finding the Fourth Proportional to 198,223.29, 273,548.28 and 107,579.23

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Solution

The fourth proportional to 198,223.29, 273,548.28 and 107,579.23 is: 148,459.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,223.29 : 273,548.28 = 107,579.23 : x
  2. Step 2: Convert to fraction form
    198,223.29/273,548.28 = 107,579.23/x
  3. Step 3: Cross multiply
    198,223.29x = 273,548.28 × 107,579.23
  4. Step 4: Simplify right side
    198,223.29x = 29,428,113,330.22
  5. Step 5: Solve for x
    x = 29,428,113,330.22/198,223.29
  6. Step 6: Final answer
    x = 148,459.41

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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.