Home / 222,335.55-306,822.72-120,360.51

Finding the Fourth Proportional to 222,335.55, 306,822.72 and 120,360.51

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Solution

The fourth proportional to 222,335.55, 306,822.72 and 120,360.51 is: 166,097.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,335.55 : 306,822.72 = 120,360.51 : x
  2. Step 2: Convert to fraction form
    222,335.55/306,822.72 = 120,360.51/x
  3. Step 3: Cross multiply
    222,335.55x = 306,822.72 × 120,360.51
  4. Step 4: Simplify right side
    222,335.55x = 36,929,339,058.79
  5. Step 5: Solve for x
    x = 36,929,339,058.79/222,335.55
  6. Step 6: Final answer
    x = 166,097.32

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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.