Home / 156,212.30-215,573.18-84,592.44

Finding the Fourth Proportional to 156,212.30, 215,573.18 and 84,592.44

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Solution

The fourth proportional to 156,212.30, 215,573.18 and 84,592.44 is: 116,737.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,212.30 : 215,573.18 = 84,592.44 : x
  2. Step 2: Convert to fraction form
    156,212.30/215,573.18 = 84,592.44/x
  3. Step 3: Cross multiply
    156,212.30x = 215,573.18 × 84,592.44
  4. Step 4: Simplify right side
    156,212.30x = 18,235,860,871.80
  5. Step 5: Solve for x
    x = 18,235,860,871.80/156,212.30
  6. Step 6: Final answer
    x = 116,737.68

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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.