Home / 156,845.24-216,447.76-85,225.27

Finding the Fourth Proportional to 156,845.24, 216,447.76 and 85,225.27

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Solution

The fourth proportional to 156,845.24, 216,447.76 and 85,225.27 is: 117,611.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,845.24 : 216,447.76 = 85,225.27 : x
  2. Step 2: Convert to fraction form
    156,845.24/216,447.76 = 85,225.27/x
  3. Step 3: Cross multiply
    156,845.24x = 216,447.76 × 85,225.27
  4. Step 4: Simplify right side
    156,845.24x = 18,446,819,007.36
  5. Step 5: Solve for x
    x = 18,446,819,007.36/156,845.24
  6. Step 6: Final answer
    x = 117,611.59

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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.