Home / 156,091.77-215,407.32-84,471.80

Finding the Fourth Proportional to 156,091.77, 215,407.32 and 84,471.80

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Solution

The fourth proportional to 156,091.77, 215,407.32 and 84,471.80 is: 116,571.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,091.77 : 215,407.32 = 84,471.80 : x
  2. Step 2: Convert to fraction form
    156,091.77/215,407.32 = 84,471.80/x
  3. Step 3: Cross multiply
    156,091.77x = 215,407.32 × 84,471.80
  4. Step 4: Simplify right side
    156,091.77x = 18,195,842,659.77
  5. Step 5: Solve for x
    x = 18,195,842,659.77/156,091.77
  6. Step 6: Final answer
    x = 116,571.44

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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.