Home / 156,162.35-215,504.30-84,542.66

Finding the Fourth Proportional to 156,162.35, 215,504.30 and 84,542.66

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Solution

The fourth proportional to 156,162.35, 215,504.30 and 84,542.66 is: 116,669.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,162.35 : 215,504.30 = 84,542.66 : x
  2. Step 2: Convert to fraction form
    156,162.35/215,504.30 = 84,542.66/x
  3. Step 3: Cross multiply
    156,162.35x = 215,504.30 × 84,542.66
  4. Step 4: Simplify right side
    156,162.35x = 18,219,305,263.20
  5. Step 5: Solve for x
    x = 18,219,305,263.20/156,162.35
  6. Step 6: Final answer
    x = 116,669.00

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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.