Home / 238,952.81-329,752.26-131,520.53

Finding the Fourth Proportional to 238,952.81, 329,752.26 and 131,520.53

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Solution

The fourth proportional to 238,952.81, 329,752.26 and 131,520.53 is: 181,496.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,952.81 : 329,752.26 = 131,520.53 : x
  2. Step 2: Convert to fraction form
    238,952.81/329,752.26 = 131,520.53/x
  3. Step 3: Cross multiply
    238,952.81x = 329,752.26 × 131,520.53
  4. Step 4: Simplify right side
    238,952.81x = 43,369,190,355.14
  5. Step 5: Solve for x
    x = 43,369,190,355.14/238,952.81
  6. Step 6: Final answer
    x = 181,496.89

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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.