Home / 273,128.75-376,917.92-152,267.61

Finding the Fourth Proportional to 273,128.75, 376,917.92 and 152,267.61

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Solution

The fourth proportional to 273,128.75, 376,917.92 and 152,267.61 is: 210,129.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,128.75 : 376,917.92 = 152,267.61 : x
  2. Step 2: Convert to fraction form
    273,128.75/376,917.92 = 152,267.61/x
  3. Step 3: Cross multiply
    273,128.75x = 376,917.92 × 152,267.61
  4. Step 4: Simplify right side
    273,128.75x = 57,392,390,083.23
  5. Step 5: Solve for x
    x = 57,392,390,083.23/273,128.75
  6. Step 6: Final answer
    x = 210,129.44

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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.