Home / 124,783.24-172,201.32-68,194.64

Finding the Fourth Proportional to 124,783.24, 172,201.32 and 68,194.64

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Solution

The fourth proportional to 124,783.24, 172,201.32 and 68,194.64 is: 94,108.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,783.24 : 172,201.32 = 68,194.64 : x
  2. Step 2: Convert to fraction form
    124,783.24/172,201.32 = 68,194.64/x
  3. Step 3: Cross multiply
    124,783.24x = 172,201.32 × 68,194.64
  4. Step 4: Simplify right side
    124,783.24x = 11,743,207,024.92
  5. Step 5: Solve for x
    x = 11,743,207,024.92/124,783.24
  6. Step 6: Final answer
    x = 94,108.85

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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.