Home / 149,249.44-223,951.92-66,124

Finding the Fourth Proportional to 149,249.44, 223,951.92 and 66,124

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Solution

The fourth proportional to 149,249.44, 223,951.92 and 66,124 is: 99,220.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,249.44 : 223,951.92 = 66,124 : x
  2. Step 2: Convert to fraction form
    149,249.44/223,951.92 = 66,124/x
  3. Step 3: Cross multiply
    149,249.44x = 223,951.92 × 66,124
  4. Step 4: Simplify right side
    149,249.44x = 14,808,596,758.08
  5. Step 5: Solve for x
    x = 14,808,596,758.08/149,249.44
  6. Step 6: Final answer
    x = 99,220.45

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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.