Home / 272,581.92-376,163.07-151,720.62

Finding the Fourth Proportional to 272,581.92, 376,163.07 and 151,720.62

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Solution

The fourth proportional to 272,581.92, 376,163.07 and 151,720.62 is: 209,374.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,581.92 : 376,163.07 = 151,720.62 : x
  2. Step 2: Convert to fraction form
    272,581.92/376,163.07 = 151,720.62/x
  3. Step 3: Cross multiply
    272,581.92x = 376,163.07 × 151,720.62
  4. Step 4: Simplify right side
    272,581.92x = 57,071,694,201.50
  5. Step 5: Solve for x
    x = 57,071,694,201.50/272,581.92
  6. Step 6: Final answer
    x = 209,374.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.