Home / 251,911.22-376,023.77-222,018.71

Finding the Fourth Proportional to 251,911.22, 376,023.77 and 222,018.71

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Solution

The fourth proportional to 251,911.22, 376,023.77 and 222,018.71 is: 331,403.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,911.22 : 376,023.77 = 222,018.71 : x
  2. Step 2: Convert to fraction form
    251,911.22/376,023.77 = 222,018.71/x
  3. Step 3: Cross multiply
    251,911.22x = 376,023.77 × 222,018.71
  4. Step 4: Simplify right side
    251,911.22x = 83,484,310,187.09
  5. Step 5: Solve for x
    x = 83,484,310,187.09/251,911.22
  6. Step 6: Final answer
    x = 331,403.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.