Home / 348,345.26-522,452.27-135,112.76

Finding the Fourth Proportional to 348,345.26, 522,452.27 and 135,112.76

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Solution

The fourth proportional to 348,345.26, 522,452.27 and 135,112.76 is: 202,643.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,345.26 : 522,452.27 = 135,112.76 : x
  2. Step 2: Convert to fraction form
    348,345.26/522,452.27 = 135,112.76/x
  3. Step 3: Cross multiply
    348,345.26x = 522,452.27 × 135,112.76
  4. Step 4: Simplify right side
    348,345.26x = 70,589,968,167.97
  5. Step 5: Solve for x
    x = 70,589,968,167.97/348,345.26
  6. Step 6: Final answer
    x = 202,643.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.