Home / 252,525.16-348,481.38-139,345

Finding the Fourth Proportional to 252,525.16, 348,481.38 and 139,345

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Solution

The fourth proportional to 252,525.16, 348,481.38 and 139,345 is: 192,294.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,525.16 : 348,481.38 = 139,345 : x
  2. Step 2: Convert to fraction form
    252,525.16/348,481.38 = 139,345/x
  3. Step 3: Cross multiply
    252,525.16x = 348,481.38 × 139,345
  4. Step 4: Simplify right side
    252,525.16x = 48,559,137,896.10
  5. Step 5: Solve for x
    x = 48,559,137,896.10/252,525.16
  6. Step 6: Final answer
    x = 192,294.26

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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.