Home / 148,408.96-204,825.36-91,838.56

Finding the Fourth Proportional to 148,408.96, 204,825.36 and 91,838.56

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Solution

The fourth proportional to 148,408.96, 204,825.36 and 91,838.56 is: 126,750.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,408.96 : 204,825.36 = 91,838.56 : x
  2. Step 2: Convert to fraction form
    148,408.96/204,825.36 = 91,838.56/x
  3. Step 3: Cross multiply
    148,408.96x = 204,825.36 × 91,838.56
  4. Step 4: Simplify right side
    148,408.96x = 18,810,866,113.88
  5. Step 5: Solve for x
    x = 18,810,866,113.88/148,408.96
  6. Step 6: Final answer
    x = 126,750.21

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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.