Home / 173,908.72-239,874.01-122,335.18

Finding the Fourth Proportional to 173,908.72, 239,874.01 and 122,335.18

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Solution

The fourth proportional to 173,908.72, 239,874.01 and 122,335.18 is: 168,738.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,908.72 : 239,874.01 = 122,335.18 : x
  2. Step 2: Convert to fraction form
    173,908.72/239,874.01 = 122,335.18/x
  3. Step 3: Cross multiply
    173,908.72x = 239,874.01 × 122,335.18
  4. Step 4: Simplify right side
    173,908.72x = 29,345,029,285.15
  5. Step 5: Solve for x
    x = 29,345,029,285.15/173,908.72
  6. Step 6: Final answer
    x = 168,738.11

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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.