Home / 252,399.14-348,317.38-137,679.72

Finding the Fourth Proportional to 252,399.14, 348,317.38 and 137,679.72

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Solution

The fourth proportional to 252,399.14, 348,317.38 and 137,679.72 is: 190,001.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,399.14 : 348,317.38 = 137,679.72 : x
  2. Step 2: Convert to fraction form
    252,399.14/348,317.38 = 137,679.72/x
  3. Step 3: Cross multiply
    252,399.14x = 348,317.38 × 137,679.72
  4. Step 4: Simplify right side
    252,399.14x = 47,956,238,215.44
  5. Step 5: Solve for x
    x = 47,956,238,215.44/252,399.14
  6. Step 6: Final answer
    x = 190,001.59

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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.