Home / 156,739.66-216,305.02-92,213.44

Finding the Fourth Proportional to 156,739.66, 216,305.02 and 92,213.44

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Solution

The fourth proportional to 156,739.66, 216,305.02 and 92,213.44 is: 127,257.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,739.66 : 216,305.02 = 92,213.44 : x
  2. Step 2: Convert to fraction form
    156,739.66/216,305.02 = 92,213.44/x
  3. Step 3: Cross multiply
    156,739.66x = 216,305.02 × 92,213.44
  4. Step 4: Simplify right side
    156,739.66x = 19,946,229,983.47
  5. Step 5: Solve for x
    x = 19,946,229,983.47/156,739.66
  6. Step 6: Final answer
    x = 127,257.07

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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.