Home / 272,660.83-376,174.55-157,876.81

Finding the Fourth Proportional to 272,660.83, 376,174.55 and 157,876.81

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Solution

The fourth proportional to 272,660.83, 376,174.55 and 157,876.81 is: 217,813.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,660.83 : 376,174.55 = 157,876.81 : x
  2. Step 2: Convert to fraction form
    272,660.83/376,174.55 = 157,876.81/x
  3. Step 3: Cross multiply
    272,660.83x = 376,174.55 × 157,876.81
  4. Step 4: Simplify right side
    272,660.83x = 59,389,237,411.44
  5. Step 5: Solve for x
    x = 59,389,237,411.44/272,660.83
  6. Step 6: Final answer
    x = 217,813.60

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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.