Home / 149,083.20-223,747.20-147,916.80

Finding the Fourth Proportional to 149,083.20, 223,747.20 and 147,916.80

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Solution

The fourth proportional to 149,083.20, 223,747.20 and 147,916.80 is: 221,996.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,083.20 : 223,747.20 = 147,916.80 : x
  2. Step 2: Convert to fraction form
    149,083.20/223,747.20 = 147,916.80/x
  3. Step 3: Cross multiply
    149,083.20x = 223,747.20 × 147,916.80
  4. Step 4: Simplify right side
    149,083.20x = 33,095,969,832.96
  5. Step 5: Solve for x
    x = 33,095,969,832.96/149,083.20
  6. Step 6: Final answer
    x = 221,996.64

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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.