Home / 190,288.32-285,869.76-134,257.44

Finding the Fourth Proportional to 190,288.32, 285,869.76 and 134,257.44

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Solution

The fourth proportional to 190,288.32, 285,869.76 and 134,257.44 is: 201,694.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,288.32 : 285,869.76 = 134,257.44 : x
  2. Step 2: Convert to fraction form
    190,288.32/285,869.76 = 134,257.44/x
  3. Step 3: Cross multiply
    190,288.32x = 285,869.76 × 134,257.44
  4. Step 4: Simplify right side
    190,288.32x = 38,380,142,151.01
  5. Step 5: Solve for x
    x = 38,380,142,151.01/190,288.32
  6. Step 6: Final answer
    x = 201,694.68

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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.