Home / 190,408.98-262,753.68-104,351.57

Finding the Fourth Proportional to 190,408.98, 262,753.68 and 104,351.57

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Solution

The fourth proportional to 190,408.98, 262,753.68 and 104,351.57 is: 143,999.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,408.98 : 262,753.68 = 104,351.57 : x
  2. Step 2: Convert to fraction form
    190,408.98/262,753.68 = 104,351.57/x
  3. Step 3: Cross multiply
    190,408.98x = 262,753.68 × 104,351.57
  4. Step 4: Simplify right side
    190,408.98x = 27,418,757,717.51
  5. Step 5: Solve for x
    x = 27,418,757,717.51/190,408.98
  6. Step 6: Final answer
    x = 143,999.29

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1.5x scale

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.