Home / 212,490.54-293,237.82-127,609.02

Finding the Fourth Proportional to 212,490.54, 293,237.82 and 127,609.02

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Solution

The fourth proportional to 212,490.54, 293,237.82 and 127,609.02 is: 176,100.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,490.54 : 293,237.82 = 127,609.02 : x
  2. Step 2: Convert to fraction form
    212,490.54/293,237.82 = 127,609.02/x
  3. Step 3: Cross multiply
    212,490.54x = 293,237.82 × 127,609.02
  4. Step 4: Simplify right side
    212,490.54x = 37,419,790,837.14
  5. Step 5: Solve for x
    x = 37,419,790,837.14/212,490.54
  6. Step 6: Final answer
    x = 176,100.97

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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.