Home / 198,242.47-273,588.06-112,201.48

Finding the Fourth Proportional to 198,242.47, 273,588.06 and 112,201.48

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Solution

The fourth proportional to 198,242.47, 273,588.06 and 112,201.48 is: 154,845.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,242.47 : 273,588.06 = 112,201.48 : x
  2. Step 2: Convert to fraction form
    198,242.47/273,588.06 = 112,201.48/x
  3. Step 3: Cross multiply
    198,242.47x = 273,588.06 × 112,201.48
  4. Step 4: Simplify right side
    198,242.47x = 30,696,985,242.33
  5. Step 5: Solve for x
    x = 30,696,985,242.33/198,242.47
  6. Step 6: Final answer
    x = 154,845.66

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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.