Home / 156,255.04-215,631.56-84,635.24

Finding the Fourth Proportional to 156,255.04, 215,631.56 and 84,635.24

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Solution

The fourth proportional to 156,255.04, 215,631.56 and 84,635.24 is: 116,796.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,255.04 : 215,631.56 = 84,635.24 : x
  2. Step 2: Convert to fraction form
    156,255.04/215,631.56 = 84,635.24/x
  3. Step 3: Cross multiply
    156,255.04x = 215,631.56 × 84,635.24
  4. Step 4: Simplify right side
    156,255.04x = 18,250,028,832.17
  5. Step 5: Solve for x
    x = 18,250,028,832.17/156,255.04
  6. Step 6: Final answer
    x = 116,796.42

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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.