Home / 190,378.40-285,581.60-50,136

Finding the Fourth Proportional to 190,378.40, 285,581.60 and 50,136

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Solution

The fourth proportional to 190,378.40, 285,581.60 and 50,136 is: 75,207.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,378.40 : 285,581.60 = 50,136 : x
  2. Step 2: Convert to fraction form
    190,378.40/285,581.60 = 50,136/x
  3. Step 3: Cross multiply
    190,378.40x = 285,581.60 × 50,136
  4. Step 4: Simplify right side
    190,378.40x = 14,317,919,097.60
  5. Step 5: Solve for x
    x = 14,317,919,097.60/190,378.40
  6. Step 6: Final answer
    x = 75,207.69

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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.