Home / 222,386.72-306,850.56-126,891.04

Finding the Fourth Proportional to 222,386.72, 306,850.56 and 126,891.04

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Solution

The fourth proportional to 222,386.72, 306,850.56 and 126,891.04 is: 175,085.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,386.72 : 306,850.56 = 126,891.04 : x
  2. Step 2: Convert to fraction form
    222,386.72/306,850.56 = 126,891.04/x
  3. Step 3: Cross multiply
    222,386.72x = 306,850.56 × 126,891.04
  4. Step 4: Simplify right side
    222,386.72x = 38,936,586,682.98
  5. Step 5: Solve for x
    x = 38,936,586,682.98/222,386.72
  6. Step 6: Final answer
    x = 175,085.04

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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.