Home / 149,389.90-223,949.22-74,532.94

Finding the Fourth Proportional to 149,389.90, 223,949.22 and 74,532.94

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Solution

The fourth proportional to 149,389.90, 223,949.22 and 74,532.94 is: 111,731.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,389.90 : 223,949.22 = 74,532.94 : x
  2. Step 2: Convert to fraction form
    149,389.90/223,949.22 = 74,532.94/x
  3. Step 3: Cross multiply
    149,389.90x = 223,949.22 × 74,532.94
  4. Step 4: Simplify right side
    149,389.90x = 16,691,593,777.31
  5. Step 5: Solve for x
    x = 16,691,593,777.31/149,389.90
  6. Step 6: Final answer
    x = 111,731.74

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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.