Home / 190,503.48-285,755.22-65,776.44

Finding the Fourth Proportional to 190,503.48, 285,755.22 and 65,776.44

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Solution

The fourth proportional to 190,503.48, 285,755.22 and 65,776.44 is: 98,664.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,503.48 : 285,755.22 = 65,776.44 : x
  2. Step 2: Convert to fraction form
    190,503.48/285,755.22 = 65,776.44/x
  3. Step 3: Cross multiply
    190,503.48x = 285,755.22 × 65,776.44
  4. Step 4: Simplify right side
    190,503.48x = 18,795,961,083.02
  5. Step 5: Solve for x
    x = 18,795,961,083.02/190,503.48
  6. Step 6: Final answer
    x = 98,664.66

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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.