Home / 156,760.17-216,181.67-120,893.37

Finding the Fourth Proportional to 156,760.17, 216,181.67 and 120,893.37

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Solution

The fourth proportional to 156,760.17, 216,181.67 and 120,893.37 is: 166,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,760.17 : 216,181.67 = 120,893.37 : x
  2. Step 2: Convert to fraction form
    156,760.17/216,181.67 = 120,893.37/x
  3. Step 3: Cross multiply
    156,760.17x = 216,181.67 × 120,893.37
  4. Step 4: Simplify right side
    156,760.17x = 26,134,930,618.53
  5. Step 5: Solve for x
    x = 26,134,930,618.53/156,760.17
  6. Step 6: Final answer
    x = 166,719.20

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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.