Home / 238,724.66-329,442.77-131,296.48

Finding the Fourth Proportional to 238,724.66, 329,442.77 and 131,296.48

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Solution

The fourth proportional to 238,724.66, 329,442.77 and 131,296.48 is: 181,190.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,724.66 : 329,442.77 = 131,296.48 : x
  2. Step 2: Convert to fraction form
    238,724.66/329,442.77 = 131,296.48/x
  3. Step 3: Cross multiply
    238,724.66x = 329,442.77 × 131,296.48
  4. Step 4: Simplify right side
    238,724.66x = 43,254,675,567.08
  5. Step 5: Solve for x
    x = 43,254,675,567.08/238,724.66
  6. Step 6: Final answer
    x = 181,190.64

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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.