Home / 340,100.92-469,318.80-187,133.50

Finding the Fourth Proportional to 340,100.92, 469,318.80 and 187,133.50

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Solution

The fourth proportional to 340,100.92, 469,318.80 and 187,133.50 is: 258,232.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,100.92 : 469,318.80 = 187,133.50 : x
  2. Step 2: Convert to fraction form
    340,100.92/469,318.80 = 187,133.50/x
  3. Step 3: Cross multiply
    340,100.92x = 469,318.80 × 187,133.50
  4. Step 4: Simplify right side
    340,100.92x = 87,825,269,659.80
  5. Step 5: Solve for x
    x = 87,825,269,659.80/340,100.92
  6. Step 6: Final answer
    x = 258,232.97

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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.