Home / 129,161.15-193,741.44-35,666.63

Finding the Fourth Proportional to 129,161.15, 193,741.44 and 35,666.63

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Solution

The fourth proportional to 129,161.15, 193,741.44 and 35,666.63 is: 53,499.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,161.15 : 193,741.44 = 35,666.63 : x
  2. Step 2: Convert to fraction form
    129,161.15/193,741.44 = 35,666.63/x
  3. Step 3: Cross multiply
    129,161.15x = 193,741.44 × 35,666.63
  4. Step 4: Simplify right side
    129,161.15x = 6,910,103,287.44
  5. Step 5: Solve for x
    x = 6,910,103,287.44/129,161.15
  6. Step 6: Final answer
    x = 53,499.86

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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.