Home / 238,788.96-329,536.80-131,363.52

Finding the Fourth Proportional to 238,788.96, 329,536.80 and 131,363.52

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Solution

The fourth proportional to 238,788.96, 329,536.80 and 131,363.52 is: 181,286.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,788.96 : 329,536.80 = 131,363.52 : x
  2. Step 2: Convert to fraction form
    238,788.96/329,536.80 = 131,363.52/x
  3. Step 3: Cross multiply
    238,788.96x = 329,536.80 × 131,363.52
  4. Step 4: Simplify right side
    238,788.96x = 43,289,114,017.54
  5. Step 5: Solve for x
    x = 43,289,114,017.54/238,788.96
  6. Step 6: Final answer
    x = 181,286.08

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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.