Home / 140,297.36-193,611.38-76,635.14

Finding the Fourth Proportional to 140,297.36, 193,611.38 and 76,635.14

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Solution

The fourth proportional to 140,297.36, 193,611.38 and 76,635.14 is: 105,757.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,297.36 : 193,611.38 = 76,635.14 : x
  2. Step 2: Convert to fraction form
    140,297.36/193,611.38 = 76,635.14/x
  3. Step 3: Cross multiply
    140,297.36x = 193,611.38 × 76,635.14
  4. Step 4: Simplify right side
    140,297.36x = 14,837,433,860.66
  5. Step 5: Solve for x
    x = 14,837,433,860.66/140,297.36
  6. Step 6: Final answer
    x = 105,757.05

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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.