Home / 193,788.06-290,587.32-79,914.66

Finding the Fourth Proportional to 193,788.06, 290,587.32 and 79,914.66

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Solution

The fourth proportional to 193,788.06, 290,587.32 and 79,914.66 is: 119,832.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,788.06 : 290,587.32 = 79,914.66 : x
  2. Step 2: Convert to fraction form
    193,788.06/290,587.32 = 79,914.66/x
  3. Step 3: Cross multiply
    193,788.06x = 290,587.32 × 79,914.66
  4. Step 4: Simplify right side
    193,788.06x = 23,222,186,878.11
  5. Step 5: Solve for x
    x = 23,222,186,878.11/193,788.06
  6. Step 6: Final answer
    x = 119,832.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.