Home / 104,181.35-143,770.25-56,434.69

Finding the Fourth Proportional to 104,181.35, 143,770.25 and 56,434.69

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Solution

The fourth proportional to 104,181.35, 143,770.25 and 56,434.69 is: 77,879.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,181.35 : 143,770.25 = 56,434.69 : x
  2. Step 2: Convert to fraction form
    104,181.35/143,770.25 = 56,434.69/x
  3. Step 3: Cross multiply
    104,181.35x = 143,770.25 × 56,434.69
  4. Step 4: Simplify right side
    104,181.35x = 8,113,629,489.97
  5. Step 5: Solve for x
    x = 8,113,629,489.97/104,181.35
  6. Step 6: Final answer
    x = 77,879.87

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1.5x scale

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.