Home / 156,540.53-215,863.56-133,954.28

Finding the Fourth Proportional to 156,540.53, 215,863.56 and 133,954.28

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Solution

The fourth proportional to 156,540.53, 215,863.56 and 133,954.28 is: 184,717.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,540.53 : 215,863.56 = 133,954.28 : x
  2. Step 2: Convert to fraction form
    156,540.53/215,863.56 = 133,954.28/x
  3. Step 3: Cross multiply
    156,540.53x = 215,863.56 × 133,954.28
  4. Step 4: Simplify right side
    156,540.53x = 28,915,847,758.04
  5. Step 5: Solve for x
    x = 28,915,847,758.04/156,540.53
  6. Step 6: Final answer
    x = 184,717.96

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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.