Home / 272,724.50-376,426.04-157,984.56

Finding the Fourth Proportional to 272,724.50, 376,426.04 and 157,984.56

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Solution

The fourth proportional to 272,724.50, 376,426.04 and 157,984.56 is: 218,057.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,724.50 : 376,426.04 = 157,984.56 : x
  2. Step 2: Convert to fraction form
    272,724.50/376,426.04 = 157,984.56/x
  3. Step 3: Cross multiply
    272,724.50x = 376,426.04 × 157,984.56
  4. Step 4: Simplify right side
    272,724.50x = 59,469,501,512.02
  5. Step 5: Solve for x
    x = 59,469,501,512.02/272,724.50
  6. Step 6: Final answer
    x = 218,057.05

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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.