Home / 126,354.52-174,369.22-72,650.04

Finding the Fourth Proportional to 126,354.52, 174,369.22 and 72,650.04

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Solution

The fourth proportional to 126,354.52, 174,369.22 and 72,650.04 is: 100,257.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,354.52 : 174,369.22 = 72,650.04 : x
  2. Step 2: Convert to fraction form
    126,354.52/174,369.22 = 72,650.04/x
  3. Step 3: Cross multiply
    126,354.52x = 174,369.22 × 72,650.04
  4. Step 4: Simplify right side
    126,354.52x = 12,667,930,807.77
  5. Step 5: Solve for x
    x = 12,667,930,807.77/126,354.52
  6. Step 6: Final answer
    x = 100,257.05

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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.