Home / 221,178.42-331,762.77-63,408.24

Finding the Fourth Proportional to 221,178.42, 331,762.77 and 63,408.24

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Solution

The fourth proportional to 221,178.42, 331,762.77 and 63,408.24 is: 95,110.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,178.42 : 331,762.77 = 63,408.24 : x
  2. Step 2: Convert to fraction form
    221,178.42/331,762.77 = 63,408.24/x
  3. Step 3: Cross multiply
    221,178.42x = 331,762.77 × 63,408.24
  4. Step 4: Simplify right side
    221,178.42x = 21,036,493,343.22
  5. Step 5: Solve for x
    x = 21,036,493,343.22/221,178.42
  6. Step 6: Final answer
    x = 95,110.97

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1.5x scale

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.