Home / 190,343.39-285,551.14-76,500.05

Finding the Fourth Proportional to 190,343.39, 285,551.14 and 76,500.05

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Solution

The fourth proportional to 190,343.39, 285,551.14 and 76,500.05 is: 114,764.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,343.39 : 285,551.14 = 76,500.05 : x
  2. Step 2: Convert to fraction form
    190,343.39/285,551.14 = 76,500.05/x
  3. Step 3: Cross multiply
    190,343.39x = 285,551.14 × 76,500.05
  4. Step 4: Simplify right side
    190,343.39x = 21,844,676,487.56
  5. Step 5: Solve for x
    x = 21,844,676,487.56/190,343.39
  6. Step 6: Final answer
    x = 114,764.57

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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.