Home / 190,966.50-263,424.13-119,221.97

Finding the Fourth Proportional to 190,966.50, 263,424.13 and 119,221.97

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Solution

The fourth proportional to 190,966.50, 263,424.13 and 119,221.97 is: 164,457.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,966.50 : 263,424.13 = 119,221.97 : x
  2. Step 2: Convert to fraction form
    190,966.50/263,424.13 = 119,221.97/x
  3. Step 3: Cross multiply
    190,966.50x = 263,424.13 × 119,221.97
  4. Step 4: Simplify right side
    190,966.50x = 31,405,943,724.14
  5. Step 5: Solve for x
    x = 31,405,943,724.14/190,966.50
  6. Step 6: Final answer
    x = 164,457.87

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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.