Home / 222,470.15-307,008.69-120,495.58

Finding the Fourth Proportional to 222,470.15, 307,008.69 and 120,495.58

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Solution

The fourth proportional to 222,470.15, 307,008.69 and 120,495.58 is: 166,283.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,470.15 : 307,008.69 = 120,495.58 : x
  2. Step 2: Convert to fraction form
    222,470.15/307,008.69 = 120,495.58/x
  3. Step 3: Cross multiply
    222,470.15x = 307,008.69 × 120,495.58
  4. Step 4: Simplify right side
    222,470.15x = 36,993,189,564.11
  5. Step 5: Solve for x
    x = 36,993,189,564.11/222,470.15
  6. Step 6: Final answer
    x = 166,283.83

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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.