Home / 238,438.14-329,043.63-131,007.84

Finding the Fourth Proportional to 238,438.14, 329,043.63 and 131,007.84

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Solution

The fourth proportional to 238,438.14, 329,043.63 and 131,007.84 is: 180,790.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,438.14 : 329,043.63 = 131,007.84 : x
  2. Step 2: Convert to fraction form
    238,438.14/329,043.63 = 131,007.84/x
  3. Step 3: Cross multiply
    238,438.14x = 329,043.63 × 131,007.84
  4. Step 4: Simplify right side
    238,438.14x = 43,107,293,586.84
  5. Step 5: Solve for x
    x = 43,107,293,586.84/238,438.14
  6. Step 6: Final answer
    x = 180,790.26

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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.