Home / 129,196.12-193,793.94-34,426.36

Finding the Fourth Proportional to 129,196.12, 193,793.94 and 34,426.36

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Solution

The fourth proportional to 129,196.12, 193,793.94 and 34,426.36 is: 51,639.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,196.12 : 193,793.94 = 34,426.36 : x
  2. Step 2: Convert to fraction form
    129,196.12/193,793.94 = 34,426.36/x
  3. Step 3: Cross multiply
    129,196.12x = 193,793.94 × 34,426.36
  4. Step 4: Simplify right side
    129,196.12x = 6,671,619,944.26
  5. Step 5: Solve for x
    x = 6,671,619,944.26/129,196.12
  6. Step 6: Final answer
    x = 51,639.48

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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.