Home / 156,576.24-216,179.28-92,934.54

Finding the Fourth Proportional to 156,576.24, 216,179.28 and 92,934.54

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Solution

The fourth proportional to 156,576.24, 216,179.28 and 92,934.54 is: 128,311.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,576.24 : 216,179.28 = 92,934.54 : x
  2. Step 2: Convert to fraction form
    156,576.24/216,179.28 = 92,934.54/x
  3. Step 3: Cross multiply
    156,576.24x = 216,179.28 × 92,934.54
  4. Step 4: Simplify right side
    156,576.24x = 20,090,521,944.33
  5. Step 5: Solve for x
    x = 20,090,521,944.33/156,576.24
  6. Step 6: Final answer
    x = 128,311.43

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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.