Home / 197,625.48-272,721.32-106,979.12

Finding the Fourth Proportional to 197,625.48, 272,721.32 and 106,979.12

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Solution

The fourth proportional to 197,625.48, 272,721.32 and 106,979.12 is: 147,630.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,625.48 : 272,721.32 = 106,979.12 : x
  2. Step 2: Convert to fraction form
    197,625.48/272,721.32 = 106,979.12/x
  3. Step 3: Cross multiply
    197,625.48x = 272,721.32 × 106,979.12
  4. Step 4: Simplify right side
    197,625.48x = 29,175,484,920.34
  5. Step 5: Solve for x
    x = 29,175,484,920.34/197,625.48
  6. Step 6: Final answer
    x = 147,630.18

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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.