Home / 251,105.96-376,562.54-106,920.36

Finding the Fourth Proportional to 251,105.96, 376,562.54 and 106,920.36

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Solution

The fourth proportional to 251,105.96, 376,562.54 and 106,920.36 is: 160,339.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,105.96 : 376,562.54 = 106,920.36 : x
  2. Step 2: Convert to fraction form
    251,105.96/376,562.54 = 106,920.36/x
  3. Step 3: Cross multiply
    251,105.96x = 376,562.54 × 106,920.36
  4. Step 4: Simplify right side
    251,105.96x = 40,262,202,339.31
  5. Step 5: Solve for x
    x = 40,262,202,339.31/251,105.96
  6. Step 6: Final answer
    x = 160,339.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.