Home / 351,212.54-484,476-222,111.20

Finding the Fourth Proportional to 351,212.54, 484,476 and 222,111.20

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Solution

The fourth proportional to 351,212.54, 484,476 and 222,111.20 is: 306,388.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,212.54 : 484,476 = 222,111.20 : x
  2. Step 2: Convert to fraction form
    351,212.54/484,476 = 222,111.20/x
  3. Step 3: Cross multiply
    351,212.54x = 484,476 × 222,111.20
  4. Step 4: Simplify right side
    351,212.54x = 107,607,545,731.20
  5. Step 5: Solve for x
    x = 107,607,545,731.20/351,212.54
  6. Step 6: Final answer
    x = 306,388.68

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1.5x scale

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.