Home / 156,092.26-215,407.30-84,472.28

Finding the Fourth Proportional to 156,092.26, 215,407.30 and 84,472.28

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Solution

The fourth proportional to 156,092.26, 215,407.30 and 84,472.28 is: 116,571.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,092.26 : 215,407.30 = 84,472.28 : x
  2. Step 2: Convert to fraction form
    156,092.26/215,407.30 = 84,472.28/x
  3. Step 3: Cross multiply
    156,092.26x = 215,407.30 × 84,472.28
  4. Step 4: Simplify right side
    156,092.26x = 18,195,945,759.64
  5. Step 5: Solve for x
    x = 18,195,945,759.64/156,092.26
  6. Step 6: Final answer
    x = 116,571.74

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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.