Home / 252,623.31-348,620.10-139,446.03

Finding the Fourth Proportional to 252,623.31, 348,620.10 and 139,446.03

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Solution

The fourth proportional to 252,623.31, 348,620.10 and 139,446.03 is: 192,435.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,623.31 : 348,620.10 = 139,446.03 : x
  2. Step 2: Convert to fraction form
    252,623.31/348,620.10 = 139,446.03/x
  3. Step 3: Cross multiply
    252,623.31x = 348,620.10 × 139,446.03
  4. Step 4: Simplify right side
    252,623.31x = 48,613,688,923.20
  5. Step 5: Solve for x
    x = 48,613,688,923.20/252,623.31
  6. Step 6: Final answer
    x = 192,435.48

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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.