Home / 238,817.20-329,554.64-131,369.76

Finding the Fourth Proportional to 238,817.20, 329,554.64 and 131,369.76

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Solution

The fourth proportional to 238,817.20, 329,554.64 and 131,369.76 is: 181,283.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,817.20 : 329,554.64 = 131,369.76 : x
  2. Step 2: Convert to fraction form
    238,817.20/329,554.64 = 131,369.76/x
  3. Step 3: Cross multiply
    238,817.20x = 329,554.64 × 131,369.76
  4. Step 4: Simplify right side
    238,817.20x = 43,293,513,963.69
  5. Step 5: Solve for x
    x = 43,293,513,963.69/238,817.20
  6. Step 6: Final answer
    x = 181,283.06

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1.5x scale

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.