Home / 348,187.29-480,321.63-227,399.28

Finding the Fourth Proportional to 348,187.29, 480,321.63 and 227,399.28

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Solution

The fourth proportional to 348,187.29, 480,321.63 and 227,399.28 is: 313,695.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,187.29 : 480,321.63 = 227,399.28 : x
  2. Step 2: Convert to fraction form
    348,187.29/480,321.63 = 227,399.28/x
  3. Step 3: Cross multiply
    348,187.29x = 480,321.63 × 227,399.28
  4. Step 4: Simplify right side
    348,187.29x = 109,224,792,830.43
  5. Step 5: Solve for x
    x = 109,224,792,830.43/348,187.29
  6. Step 6: Final answer
    x = 313,695.52

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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.