Home / 238,838.30-329,601.96-131,408.64

Finding the Fourth Proportional to 238,838.30, 329,601.96 and 131,408.64

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Solution

The fourth proportional to 238,838.30, 329,601.96 and 131,408.64 is: 181,346.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,838.30 : 329,601.96 = 131,408.64 : x
  2. Step 2: Convert to fraction form
    238,838.30/329,601.96 = 131,408.64/x
  3. Step 3: Cross multiply
    238,838.30x = 329,601.96 × 131,408.64
  4. Step 4: Simplify right side
    238,838.30x = 43,312,545,304.93
  5. Step 5: Solve for x
    x = 43,312,545,304.93/238,838.30
  6. Step 6: Final answer
    x = 181,346.73

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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.