Home / 238,018.36-356,778.42-80,192.28

Finding the Fourth Proportional to 238,018.36, 356,778.42 and 80,192.28

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Solution

The fourth proportional to 238,018.36, 356,778.42 and 80,192.28 is: 120,204.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,018.36 : 356,778.42 = 80,192.28 : x
  2. Step 2: Convert to fraction form
    238,018.36/356,778.42 = 80,192.28/x
  3. Step 3: Cross multiply
    238,018.36x = 356,778.42 × 80,192.28
  4. Step 4: Simplify right side
    238,018.36x = 28,610,874,954.60
  5. Step 5: Solve for x
    x = 28,610,874,954.60/238,018.36
  6. Step 6: Final answer
    x = 120,204.49

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1.5x scale

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.