Home / 156,977.83-235,464.82-38,650.20

Finding the Fourth Proportional to 156,977.83, 235,464.82 and 38,650.20

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Solution

The fourth proportional to 156,977.83, 235,464.82 and 38,650.20 is: 57,974.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,977.83 : 235,464.82 = 38,650.20 : x
  2. Step 2: Convert to fraction form
    156,977.83/235,464.82 = 38,650.20/x
  3. Step 3: Cross multiply
    156,977.83x = 235,464.82 × 38,650.20
  4. Step 4: Simplify right side
    156,977.83x = 9,100,762,385.96
  5. Step 5: Solve for x
    x = 9,100,762,385.96/156,977.83
  6. Step 6: Final answer
    x = 57,974.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.