Home / 190,186.30-285,118.89-119,910.70

Finding the Fourth Proportional to 190,186.30, 285,118.89 and 119,910.70

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Solution

The fourth proportional to 190,186.30, 285,118.89 and 119,910.70 is: 179,764.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,186.30 : 285,118.89 = 119,910.70 : x
  2. Step 2: Convert to fraction form
    190,186.30/285,118.89 = 119,910.70/x
  3. Step 3: Cross multiply
    190,186.30x = 285,118.89 × 119,910.70
  4. Step 4: Simplify right side
    190,186.30x = 34,188,805,683.12
  5. Step 5: Solve for x
    x = 34,188,805,683.12/190,186.30
  6. Step 6: Final answer
    x = 179,764.82

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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.