Home / 212,796.43-293,679.75-158,988.04

Finding the Fourth Proportional to 212,796.43, 293,679.75 and 158,988.04

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Solution

The fourth proportional to 212,796.43, 293,679.75 and 158,988.04 is: 219,418.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,796.43 : 293,679.75 = 158,988.04 : x
  2. Step 2: Convert to fraction form
    212,796.43/293,679.75 = 158,988.04/x
  3. Step 3: Cross multiply
    212,796.43x = 293,679.75 × 158,988.04
  4. Step 4: Simplify right side
    212,796.43x = 46,691,567,840.19
  5. Step 5: Solve for x
    x = 46,691,567,840.19/212,796.43
  6. Step 6: Final answer
    x = 219,418.94

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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.