Home / 156,469.64-215,966.82-102,827.48

Finding the Fourth Proportional to 156,469.64, 215,966.82 and 102,827.48

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Solution

The fourth proportional to 156,469.64, 215,966.82 and 102,827.48 is: 141,927.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,469.64 : 215,966.82 = 102,827.48 : x
  2. Step 2: Convert to fraction form
    156,469.64/215,966.82 = 102,827.48/x
  3. Step 3: Cross multiply
    156,469.64x = 215,966.82 × 102,827.48
  4. Step 4: Simplify right side
    156,469.64x = 22,207,323,864.21
  5. Step 5: Solve for x
    x = 22,207,323,864.21/156,469.64
  6. Step 6: Final answer
    x = 141,927.37

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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.