Home / 238,964.81-329,725.89-152,857.85

Finding the Fourth Proportional to 238,964.81, 329,725.89 and 152,857.85

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Solution

The fourth proportional to 238,964.81, 329,725.89 and 152,857.85 is: 210,914.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,964.81 : 329,725.89 = 152,857.85 : x
  2. Step 2: Convert to fraction form
    238,964.81/329,725.89 = 152,857.85/x
  3. Step 3: Cross multiply
    238,964.81x = 329,725.89 × 152,857.85
  4. Step 4: Simplify right side
    238,964.81x = 50,401,188,986.11
  5. Step 5: Solve for x
    x = 50,401,188,986.11/238,964.81
  6. Step 6: Final answer
    x = 210,914.70

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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.