Home / 149,021.70-223,532.55-124,089.90

Finding the Fourth Proportional to 149,021.70, 223,532.55 and 124,089.90

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Solution

The fourth proportional to 149,021.70, 223,532.55 and 124,089.90 is: 186,134.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,021.70 : 223,532.55 = 124,089.90 : x
  2. Step 2: Convert to fraction form
    149,021.70/223,532.55 = 124,089.90/x
  3. Step 3: Cross multiply
    149,021.70x = 223,532.55 × 124,089.90
  4. Step 4: Simplify right side
    149,021.70x = 27,738,131,776.25
  5. Step 5: Solve for x
    x = 27,738,131,776.25/149,021.70
  6. Step 6: Final answer
    x = 186,134.85

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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.