Home / 222,650.30-307,269.78-127,188.02

Finding the Fourth Proportional to 222,650.30, 307,269.78 and 127,188.02

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Solution

The fourth proportional to 222,650.30, 307,269.78 and 127,188.02 is: 175,526.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,650.30 : 307,269.78 = 127,188.02 : x
  2. Step 2: Convert to fraction form
    222,650.30/307,269.78 = 127,188.02/x
  3. Step 3: Cross multiply
    222,650.30x = 307,269.78 × 127,188.02
  4. Step 4: Simplify right side
    222,650.30x = 39,081,034,924.04
  5. Step 5: Solve for x
    x = 39,081,034,924.04/222,650.30
  6. Step 6: Final answer
    x = 175,526.53

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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.