Home / 156,236.08-215,605.92-84,616.24

Finding the Fourth Proportional to 156,236.08, 215,605.92 and 84,616.24

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Solution

The fourth proportional to 156,236.08, 215,605.92 and 84,616.24 is: 116,770.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,236.08 : 215,605.92 = 84,616.24 : x
  2. Step 2: Convert to fraction form
    156,236.08/215,605.92 = 84,616.24/x
  3. Step 3: Cross multiply
    156,236.08x = 215,605.92 × 84,616.24
  4. Step 4: Simplify right side
    156,236.08x = 18,243,762,272.14
  5. Step 5: Solve for x
    x = 18,243,762,272.14/156,236.08
  6. Step 6: Final answer
    x = 116,770.48

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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.