Home / 129,162.15-193,742.94-35,667.63

Finding the Fourth Proportional to 129,162.15, 193,742.94 and 35,667.63

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Solution

The fourth proportional to 129,162.15, 193,742.94 and 35,667.63 is: 53,501.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,162.15 : 193,742.94 = 35,667.63 : x
  2. Step 2: Convert to fraction form
    129,162.15/193,742.94 = 35,667.63/x
  3. Step 3: Cross multiply
    129,162.15x = 193,742.94 × 35,667.63
  4. Step 4: Simplify right side
    129,162.15x = 6,910,351,499.03
  5. Step 5: Solve for x
    x = 6,910,351,499.03/129,162.15
  6. Step 6: Final answer
    x = 53,501.37

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1.5x scale

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.