Home / 156,269.43-215,652.83-84,649.43

Finding the Fourth Proportional to 156,269.43, 215,652.83 and 84,649.43

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Solution

The fourth proportional to 156,269.43, 215,652.83 and 84,649.43 is: 116,816.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,269.43 : 215,652.83 = 84,649.43 : x
  2. Step 2: Convert to fraction form
    156,269.43/215,652.83 = 84,649.43/x
  3. Step 3: Cross multiply
    156,269.43x = 215,652.83 × 84,649.43
  4. Step 4: Simplify right side
    156,269.43x = 18,254,887,635.88
  5. Step 5: Solve for x
    x = 18,254,887,635.88/156,269.43
  6. Step 6: Final answer
    x = 116,816.75

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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.