Home / 156,682.32-235,023.48-56,819.85

Finding the Fourth Proportional to 156,682.32, 235,023.48 and 56,819.85

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Solution

The fourth proportional to 156,682.32, 235,023.48 and 56,819.85 is: 85,229.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,682.32 : 235,023.48 = 56,819.85 : x
  2. Step 2: Convert to fraction form
    156,682.32/235,023.48 = 56,819.85/x
  3. Step 3: Cross multiply
    156,682.32x = 235,023.48 × 56,819.85
  4. Step 4: Simplify right side
    156,682.32x = 13,353,998,880.08
  5. Step 5: Solve for x
    x = 13,353,998,880.08/156,682.32
  6. Step 6: Final answer
    x = 85,229.78

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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.