Home / 156,468.64-215,965.44-102,826.48

Finding the Fourth Proportional to 156,468.64, 215,965.44 and 102,826.48

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Solution

The fourth proportional to 156,468.64, 215,965.44 and 102,826.48 is: 141,925.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,468.64 : 215,965.44 = 102,826.48 : x
  2. Step 2: Convert to fraction form
    156,468.64/215,965.44 = 102,826.48/x
  3. Step 3: Cross multiply
    156,468.64x = 215,965.44 × 102,826.48
  4. Step 4: Simplify right side
    156,468.64x = 22,206,965,996.85
  5. Step 5: Solve for x
    x = 22,206,965,996.85/156,468.64
  6. Step 6: Final answer
    x = 141,925.99

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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.