Home / 140,310.26-193,625.73-76,646.42

Finding the Fourth Proportional to 140,310.26, 193,625.73 and 76,646.42

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Solution

The fourth proportional to 140,310.26, 193,625.73 and 76,646.42 is: 105,770.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,310.26 : 193,625.73 = 76,646.42 : x
  2. Step 2: Convert to fraction form
    140,310.26/193,625.73 = 76,646.42/x
  3. Step 3: Cross multiply
    140,310.26x = 193,625.73 × 76,646.42
  4. Step 4: Simplify right side
    140,310.26x = 14,840,719,024.39
  5. Step 5: Solve for x
    x = 14,840,719,024.39/140,310.26
  6. Step 6: Final answer
    x = 105,770.73

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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.