Home / 129,162.16-193,742.94-35,667.64

Finding the Fourth Proportional to 129,162.16, 193,742.94 and 35,667.64

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Solution

The fourth proportional to 129,162.16, 193,742.94 and 35,667.64 is: 53,501.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,162.16 : 193,742.94 = 35,667.64 : x
  2. Step 2: Convert to fraction form
    129,162.16/193,742.94 = 35,667.64/x
  3. Step 3: Cross multiply
    129,162.16x = 193,742.94 × 35,667.64
  4. Step 4: Simplify right side
    129,162.16x = 6,910,353,436.46
  5. Step 5: Solve for x
    x = 6,910,353,436.46/129,162.16
  6. Step 6: Final answer
    x = 53,501.38

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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.