Home / 156,735.86-216,297.27-85,116.87

Finding the Fourth Proportional to 156,735.86, 216,297.27 and 85,116.87

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Solution

The fourth proportional to 156,735.86, 216,297.27 and 85,116.87 is: 117,462.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,735.86 : 216,297.27 = 85,116.87 : x
  2. Step 2: Convert to fraction form
    156,735.86/216,297.27 = 85,116.87/x
  3. Step 3: Cross multiply
    156,735.86x = 216,297.27 × 85,116.87
  4. Step 4: Simplify right side
    156,735.86x = 18,410,546,611.94
  5. Step 5: Solve for x
    x = 18,410,546,611.94/156,735.86
  6. Step 6: Final answer
    x = 117,462.25

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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.