Home / 156,645.24-216,170.62-85,025.26

Finding the Fourth Proportional to 156,645.24, 216,170.62 and 85,025.26

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Solution

The fourth proportional to 156,645.24, 216,170.62 and 85,025.26 is: 117,334.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,645.24 : 216,170.62 = 85,025.26 : x
  2. Step 2: Convert to fraction form
    156,645.24/216,170.62 = 85,025.26/x
  3. Step 3: Cross multiply
    156,645.24x = 216,170.62 × 85,025.26
  4. Step 4: Simplify right side
    156,645.24x = 18,379,963,169.86
  5. Step 5: Solve for x
    x = 18,379,963,169.86/156,645.24
  6. Step 6: Final answer
    x = 117,334.96

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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.