Home / 190,489.26-285,705.81-50,257.74

Finding the Fourth Proportional to 190,489.26, 285,705.81 and 50,257.74

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Solution

The fourth proportional to 190,489.26, 285,705.81 and 50,257.74 is: 75,379.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,489.26 : 285,705.81 = 50,257.74 : x
  2. Step 2: Convert to fraction form
    190,489.26/285,705.81 = 50,257.74/x
  3. Step 3: Cross multiply
    190,489.26x = 285,705.81 × 50,257.74
  4. Step 4: Simplify right side
    190,489.26x = 14,358,928,315.47
  5. Step 5: Solve for x
    x = 14,358,928,315.47/190,489.26
  6. Step 6: Final answer
    x = 75,379.20

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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.