Home / 190,496.60-285,278.30-134,198.36

Finding the Fourth Proportional to 190,496.60, 285,278.30 and 134,198.36

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Solution

The fourth proportional to 190,496.60, 285,278.30 and 134,198.36 is: 200,968.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,496.60 : 285,278.30 = 134,198.36 : x
  2. Step 2: Convert to fraction form
    190,496.60/285,278.30 = 134,198.36/x
  3. Step 3: Cross multiply
    190,496.60x = 285,278.30 × 134,198.36
  4. Step 4: Simplify right side
    190,496.60x = 38,283,880,003.59
  5. Step 5: Solve for x
    x = 38,283,880,003.59/190,496.60
  6. Step 6: Final answer
    x = 200,968.84

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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.