Home / 238,703.72-329,419.60-131,282.06

Finding the Fourth Proportional to 238,703.72, 329,419.60 and 131,282.06

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Solution

The fourth proportional to 238,703.72, 329,419.60 and 131,282.06 is: 181,173.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,703.72 : 329,419.60 = 131,282.06 : x
  2. Step 2: Convert to fraction form
    238,703.72/329,419.60 = 131,282.06/x
  3. Step 3: Cross multiply
    238,703.72x = 329,419.60 × 131,282.06
  4. Step 4: Simplify right side
    238,703.72x = 43,246,883,692.38
  5. Step 5: Solve for x
    x = 43,246,883,692.38/238,703.72
  6. Step 6: Final answer
    x = 181,173.90

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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.