Home / 149,249.19-223,951.55-66,123.75

Finding the Fourth Proportional to 149,249.19, 223,951.55 and 66,123.75

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Solution

The fourth proportional to 149,249.19, 223,951.55 and 66,123.75 is: 99,220.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,249.19 : 223,951.55 = 66,123.75 : x
  2. Step 2: Convert to fraction form
    149,249.19/223,951.55 = 66,123.75/x
  3. Step 3: Cross multiply
    149,249.19x = 223,951.55 × 66,123.75
  4. Step 4: Simplify right side
    149,249.19x = 14,808,515,973.69
  5. Step 5: Solve for x
    x = 14,808,515,973.69/149,249.19
  6. Step 6: Final answer
    x = 99,220.08

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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.