Home / 107,961.72-148,874.13-92,905.44

Finding the Fourth Proportional to 107,961.72, 148,874.13 and 92,905.44

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Solution

The fourth proportional to 107,961.72, 148,874.13 and 92,905.44 is: 128,112.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,961.72 : 148,874.13 = 92,905.44 : x
  2. Step 2: Convert to fraction form
    107,961.72/148,874.13 = 92,905.44/x
  3. Step 3: Cross multiply
    107,961.72x = 148,874.13 × 92,905.44
  4. Step 4: Simplify right side
    107,961.72x = 13,831,216,552.27
  5. Step 5: Solve for x
    x = 13,831,216,552.27/107,961.72
  6. Step 6: Final answer
    x = 128,112.23

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1.5x scale

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.