Home / 272,842.72-376,517.28-151,983.84

Finding the Fourth Proportional to 272,842.72, 376,517.28 and 151,983.84

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Solution

The fourth proportional to 272,842.72, 376,517.28 and 151,983.84 is: 209,734.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,842.72 : 376,517.28 = 151,983.84 : x
  2. Step 2: Convert to fraction form
    272,842.72/376,517.28 = 151,983.84/x
  3. Step 3: Cross multiply
    272,842.72x = 376,517.28 × 151,983.84
  4. Step 4: Simplify right side
    272,842.72x = 57,224,542,040.76
  5. Step 5: Solve for x
    x = 57,224,542,040.76/272,842.72
  6. Step 6: Final answer
    x = 209,734.54

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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.