Home / 104,163.20-156,248.64-53,548.66

Finding the Fourth Proportional to 104,163.20, 156,248.64 and 53,548.66

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Solution

The fourth proportional to 104,163.20, 156,248.64 and 53,548.66 is: 80,324.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,163.20 : 156,248.64 = 53,548.66 : x
  2. Step 2: Convert to fraction form
    104,163.20/156,248.64 = 53,548.66/x
  3. Step 3: Cross multiply
    104,163.20x = 156,248.64 × 53,548.66
  4. Step 4: Simplify right side
    104,163.20x = 8,366,905,298.82
  5. Step 5: Solve for x
    x = 8,366,905,298.82/104,163.20
  6. Step 6: Final answer
    x = 80,324.96

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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.