Home / 272,660.58-376,174.20-157,876.56

Finding the Fourth Proportional to 272,660.58, 376,174.20 and 157,876.56

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Solution

The fourth proportional to 272,660.58, 376,174.20 and 157,876.56 is: 217,813.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,660.58 : 376,174.20 = 157,876.56 : x
  2. Step 2: Convert to fraction form
    272,660.58/376,174.20 = 157,876.56/x
  3. Step 3: Cross multiply
    272,660.58x = 376,174.20 × 157,876.56
  4. Step 4: Simplify right side
    272,660.58x = 59,389,088,656.75
  5. Step 5: Solve for x
    x = 59,389,088,656.75/272,660.58
  6. Step 6: Final answer
    x = 217,813.26

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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.