Home / 222,360.87-306,858.10-120,386.33

Finding the Fourth Proportional to 222,360.87, 306,858.10 and 120,386.33

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Solution

The fourth proportional to 222,360.87, 306,858.10 and 120,386.33 is: 166,133.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,360.87 : 306,858.10 = 120,386.33 : x
  2. Step 2: Convert to fraction form
    222,360.87/306,858.10 = 120,386.33/x
  3. Step 3: Cross multiply
    222,360.87x = 306,858.10 × 120,386.33
  4. Step 4: Simplify right side
    222,360.87x = 36,941,520,489.77
  5. Step 5: Solve for x
    x = 36,941,520,489.77/222,360.87
  6. Step 6: Final answer
    x = 166,133.19

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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.