Home / 156,396.44-215,951.32-144,455.42

Finding the Fourth Proportional to 156,396.44, 215,951.32 and 144,455.42

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Solution

The fourth proportional to 156,396.44, 215,951.32 and 144,455.42 is: 199,463.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,396.44 : 215,951.32 = 144,455.42 : x
  2. Step 2: Convert to fraction form
    156,396.44/215,951.32 = 144,455.42/x
  3. Step 3: Cross multiply
    156,396.44x = 215,951.32 × 144,455.42
  4. Step 4: Simplify right side
    156,396.44x = 31,195,338,630.15
  5. Step 5: Solve for x
    x = 31,195,338,630.15/156,396.44
  6. Step 6: Final answer
    x = 199,463.23

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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.