Home / 222,360.37-306,857.41-120,385.83

Finding the Fourth Proportional to 222,360.37, 306,857.41 and 120,385.83

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Solution

The fourth proportional to 222,360.37, 306,857.41 and 120,385.83 is: 166,132.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,360.37 : 306,857.41 = 120,385.83 : x
  2. Step 2: Convert to fraction form
    222,360.37/306,857.41 = 120,385.83/x
  3. Step 3: Cross multiply
    222,360.37x = 306,857.41 × 120,385.83
  4. Step 4: Simplify right side
    222,360.37x = 36,941,283,994.50
  5. Step 5: Solve for x
    x = 36,941,283,994.50/222,360.37
  6. Step 6: Final answer
    x = 166,132.50

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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.