Home / 161,628.72-242,439.24-43,299.96

Finding the Fourth Proportional to 161,628.72, 242,439.24 and 43,299.96

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Solution

The fourth proportional to 161,628.72, 242,439.24 and 43,299.96 is: 64,948.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,628.72 : 242,439.24 = 43,299.96 : x
  2. Step 2: Convert to fraction form
    161,628.72/242,439.24 = 43,299.96/x
  3. Step 3: Cross multiply
    161,628.72x = 242,439.24 × 43,299.96
  4. Step 4: Simplify right side
    161,628.72x = 10,497,609,394.43
  5. Step 5: Solve for x
    x = 10,497,609,394.43/161,628.72
  6. Step 6: Final answer
    x = 64,948.91

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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.