Home / 277,983.20-383,542.32-164,712.16

Finding the Fourth Proportional to 277,983.20, 383,542.32 and 164,712.16

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Solution

The fourth proportional to 277,983.20, 383,542.32 and 164,712.16 is: 227,258.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,983.20 : 383,542.32 = 164,712.16 : x
  2. Step 2: Convert to fraction form
    277,983.20/383,542.32 = 164,712.16/x
  3. Step 3: Cross multiply
    277,983.20x = 383,542.32 × 164,712.16
  4. Step 4: Simplify right side
    277,983.20x = 63,174,083,978.61
  5. Step 5: Solve for x
    x = 63,174,083,978.61/277,983.20
  6. Step 6: Final answer
    x = 227,258.64

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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.