Home / 238,896.14-329,688.70-136,933.34

Finding the Fourth Proportional to 238,896.14, 329,688.70 and 136,933.34

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Solution

The fourth proportional to 238,896.14, 329,688.70 and 136,933.34 is: 188,974.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,896.14 : 329,688.70 = 136,933.34 : x
  2. Step 2: Convert to fraction form
    238,896.14/329,688.70 = 136,933.34/x
  3. Step 3: Cross multiply
    238,896.14x = 329,688.70 × 136,933.34
  4. Step 4: Simplify right side
    238,896.14x = 45,145,372,860.48
  5. Step 5: Solve for x
    x = 45,145,372,860.48/238,896.14
  6. Step 6: Final answer
    x = 188,974.90

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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.