Home / 238,514.14-329,157.40-131,087.98

Finding the Fourth Proportional to 238,514.14, 329,157.40 and 131,087.98

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Solution

The fourth proportional to 238,514.14, 329,157.40 and 131,087.98 is: 180,905.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,514.14 : 329,157.40 = 131,087.98 : x
  2. Step 2: Convert to fraction form
    238,514.14/329,157.40 = 131,087.98/x
  3. Step 3: Cross multiply
    238,514.14x = 329,157.40 × 131,087.98
  4. Step 4: Simplify right side
    238,514.14x = 43,148,577,022.27
  5. Step 5: Solve for x
    x = 43,148,577,022.27/238,514.14
  6. Step 6: Final answer
    x = 180,905.74

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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.