Home / 190,136.79-262,388.33-113,652.18

Finding the Fourth Proportional to 190,136.79, 262,388.33 and 113,652.18

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Solution

The fourth proportional to 190,136.79, 262,388.33 and 113,652.18 is: 156,839.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,136.79 : 262,388.33 = 113,652.18 : x
  2. Step 2: Convert to fraction form
    190,136.79/262,388.33 = 113,652.18/x
  3. Step 3: Cross multiply
    190,136.79x = 262,388.33 × 113,652.18
  4. Step 4: Simplify right side
    190,136.79x = 29,821,003,830.86
  5. Step 5: Solve for x
    x = 29,821,003,830.86/190,136.79
  6. Step 6: Final answer
    x = 156,839.74

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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.