Home / 252,836.16-348,896.16-139,650

Finding the Fourth Proportional to 252,836.16, 348,896.16 and 139,650

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Solution

The fourth proportional to 252,836.16, 348,896.16 and 139,650 is: 192,707.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,836.16 : 348,896.16 = 139,650 : x
  2. Step 2: Convert to fraction form
    252,836.16/348,896.16 = 139,650/x
  3. Step 3: Cross multiply
    252,836.16x = 348,896.16 × 139,650
  4. Step 4: Simplify right side
    252,836.16x = 48,723,348,744
  5. Step 5: Solve for x
    x = 48,723,348,744/252,836.16
  6. Step 6: Final answer
    x = 192,707.20

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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.