Home / 156,553.70-234,638.10-72,196.76

Finding the Fourth Proportional to 156,553.70, 234,638.10 and 72,196.76

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Solution

The fourth proportional to 156,553.70, 234,638.10 and 72,196.76 is: 108,206.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,553.70 : 234,638.10 = 72,196.76 : x
  2. Step 2: Convert to fraction form
    156,553.70/234,638.10 = 72,196.76/x
  3. Step 3: Cross multiply
    156,553.70x = 234,638.10 × 72,196.76
  4. Step 4: Simplify right side
    156,553.70x = 16,940,110,592.56
  5. Step 5: Solve for x
    x = 16,940,110,592.56/156,553.70
  6. Step 6: Final answer
    x = 108,206.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.