Home / 155,863.28-215,093.40-92,199.44

Finding the Fourth Proportional to 155,863.28, 215,093.40 and 92,199.44

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Solution

The fourth proportional to 155,863.28, 215,093.40 and 92,199.44 is: 127,236.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,863.28 : 215,093.40 = 92,199.44 : x
  2. Step 2: Convert to fraction form
    155,863.28/215,093.40 = 92,199.44/x
  3. Step 3: Cross multiply
    155,863.28x = 215,093.40 × 92,199.44
  4. Step 4: Simplify right side
    155,863.28x = 19,831,491,027.70
  5. Step 5: Solve for x
    x = 19,831,491,027.70/155,863.28
  6. Step 6: Final answer
    x = 127,236.45

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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.