Home / 272,940.26-376,658.34-158,241.20

Finding the Fourth Proportional to 272,940.26, 376,658.34 and 158,241.20

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Solution

The fourth proportional to 272,940.26, 376,658.34 and 158,241.20 is: 218,373.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,940.26 : 376,658.34 = 158,241.20 : x
  2. Step 2: Convert to fraction form
    272,940.26/376,658.34 = 158,241.20/x
  3. Step 3: Cross multiply
    272,940.26x = 376,658.34 × 158,241.20
  4. Step 4: Simplify right side
    272,940.26x = 59,602,867,711.61
  5. Step 5: Solve for x
    x = 59,602,867,711.61/272,940.26
  6. Step 6: Final answer
    x = 218,373.31

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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.