Home / 195,712.74-270,058.32-115,110.86

Finding the Fourth Proportional to 195,712.74, 270,058.32 and 115,110.86

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Solution

The fourth proportional to 195,712.74, 270,058.32 and 115,110.86 is: 158,838.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,712.74 : 270,058.32 = 115,110.86 : x
  2. Step 2: Convert to fraction form
    195,712.74/270,058.32 = 115,110.86/x
  3. Step 3: Cross multiply
    195,712.74x = 270,058.32 × 115,110.86
  4. Step 4: Simplify right side
    195,712.74x = 31,086,644,115.06
  5. Step 5: Solve for x
    x = 31,086,644,115.06/195,712.74
  6. Step 6: Final answer
    x = 158,838.12

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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.