Home / 199,408.89-275,028.66-127,795.53

Finding the Fourth Proportional to 199,408.89, 275,028.66 and 127,795.53

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Solution

The fourth proportional to 199,408.89, 275,028.66 and 127,795.53 is: 176,258.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,408.89 : 275,028.66 = 127,795.53 : x
  2. Step 2: Convert to fraction form
    199,408.89/275,028.66 = 127,795.53/x
  3. Step 3: Cross multiply
    199,408.89x = 275,028.66 × 127,795.53
  4. Step 4: Simplify right side
    199,408.89x = 35,147,433,369.89
  5. Step 5: Solve for x
    x = 35,147,433,369.89/199,408.89
  6. Step 6: Final answer
    x = 176,258.11

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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.