Home / 156,771.26-216,344.96-85,152.48

Finding the Fourth Proportional to 156,771.26, 216,344.96 and 85,152.48

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Solution

The fourth proportional to 156,771.26, 216,344.96 and 85,152.48 is: 117,510.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,771.26 : 216,344.96 = 85,152.48 : x
  2. Step 2: Convert to fraction form
    156,771.26/216,344.96 = 85,152.48/x
  3. Step 3: Cross multiply
    156,771.26x = 216,344.96 × 85,152.48
  4. Step 4: Simplify right side
    156,771.26x = 18,422,309,879.50
  5. Step 5: Solve for x
    x = 18,422,309,879.50/156,771.26
  6. Step 6: Final answer
    x = 117,510.76

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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.