Home / 156,868.25-216,481.41-85,252.91

Finding the Fourth Proportional to 156,868.25, 216,481.41 and 85,252.91

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Solution

The fourth proportional to 156,868.25, 216,481.41 and 85,252.91 is: 117,650.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,868.25 : 216,481.41 = 85,252.91 : x
  2. Step 2: Convert to fraction form
    156,868.25/216,481.41 = 85,252.91/x
  3. Step 3: Cross multiply
    156,868.25x = 216,481.41 × 85,252.91
  4. Step 4: Simplify right side
    156,868.25x = 18,455,669,081.00
  5. Step 5: Solve for x
    x = 18,455,669,081.00/156,868.25
  6. Step 6: Final answer
    x = 117,650.77

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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.