Home / 272,820.92-376,493.58-158,121.80

Finding the Fourth Proportional to 272,820.92, 376,493.58 and 158,121.80

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Solution

The fourth proportional to 272,820.92, 376,493.58 and 158,121.80 is: 218,208.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,820.92 : 376,493.58 = 158,121.80 : x
  2. Step 2: Convert to fraction form
    272,820.92/376,493.58 = 158,121.80/x
  3. Step 3: Cross multiply
    272,820.92x = 376,493.58 × 158,121.80
  4. Step 4: Simplify right side
    272,820.92x = 59,531,842,558.04
  5. Step 5: Solve for x
    x = 59,531,842,558.04/272,820.92
  6. Step 6: Final answer
    x = 218,208.50

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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.