Home / 156,856.82-216,462.24-85,236.67

Finding the Fourth Proportional to 156,856.82, 216,462.24 and 85,236.67

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Solution

The fourth proportional to 156,856.82, 216,462.24 and 85,236.67 is: 117,626.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,856.82 : 216,462.24 = 85,236.67 : x
  2. Step 2: Convert to fraction form
    156,856.82/216,462.24 = 85,236.67/x
  3. Step 3: Cross multiply
    156,856.82x = 216,462.24 × 85,236.67
  4. Step 4: Simplify right side
    156,856.82x = 18,450,520,788.92
  5. Step 5: Solve for x
    x = 18,450,520,788.92/156,856.82
  6. Step 6: Final answer
    x = 117,626.51

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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.