Home / 222,566.96-307,139.10-120,589.58

Finding the Fourth Proportional to 222,566.96, 307,139.10 and 120,589.58

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Solution

The fourth proportional to 222,566.96, 307,139.10 and 120,589.58 is: 166,411.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,566.96 : 307,139.10 = 120,589.58 : x
  2. Step 2: Convert to fraction form
    222,566.96/307,139.10 = 120,589.58/x
  3. Step 3: Cross multiply
    222,566.96x = 307,139.10 × 120,589.58
  4. Step 4: Simplify right side
    222,566.96x = 37,037,775,070.58
  5. Step 5: Solve for x
    x = 37,037,775,070.58/222,566.96
  6. Step 6: Final answer
    x = 166,411.83

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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.