Home / 156,163.40-234,247.04-54,964.48

Finding the Fourth Proportional to 156,163.40, 234,247.04 and 54,964.48

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Solution

The fourth proportional to 156,163.40, 234,247.04 and 54,964.48 is: 82,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,163.40 : 234,247.04 = 54,964.48 : x
  2. Step 2: Convert to fraction form
    156,163.40/234,247.04 = 54,964.48/x
  3. Step 3: Cross multiply
    156,163.40x = 234,247.04 × 54,964.48
  4. Step 4: Simplify right side
    156,163.40x = 12,875,266,745.14
  5. Step 5: Solve for x
    x = 12,875,266,745.14/156,163.40
  6. Step 6: Final answer
    x = 82,447.40

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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.