Home / 156,764.26-216,336.24-85,145.68

Finding the Fourth Proportional to 156,764.26, 216,336.24 and 85,145.68

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Solution

The fourth proportional to 156,764.26, 216,336.24 and 85,145.68 is: 117,501.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,764.26 : 216,336.24 = 85,145.68 : x
  2. Step 2: Convert to fraction form
    156,764.26/216,336.24 = 85,145.68/x
  3. Step 3: Cross multiply
    156,764.26x = 216,336.24 × 85,145.68
  4. Step 4: Simplify right side
    156,764.26x = 18,420,096,263.44
  5. Step 5: Solve for x
    x = 18,420,096,263.44/156,764.26
  6. Step 6: Final answer
    x = 117,501.89

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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.