Home / 160,961.57-241,679.36-90,023.20

Finding the Fourth Proportional to 160,961.57, 241,679.36 and 90,023.20

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Solution

The fourth proportional to 160,961.57, 241,679.36 and 90,023.20 is: 135,167.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,961.57 : 241,679.36 = 90,023.20 : x
  2. Step 2: Convert to fraction form
    160,961.57/241,679.36 = 90,023.20/x
  3. Step 3: Cross multiply
    160,961.57x = 241,679.36 × 90,023.20
  4. Step 4: Simplify right side
    160,961.57x = 21,756,749,361.15
  5. Step 5: Solve for x
    x = 21,756,749,361.15/160,961.57
  6. Step 6: Final answer
    x = 135,167.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.