Home / 238,649.98-329,336.91-131,226.97

Finding the Fourth Proportional to 238,649.98, 329,336.91 and 131,226.97

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Solution

The fourth proportional to 238,649.98, 329,336.91 and 131,226.97 is: 181,093.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,649.98 : 329,336.91 = 131,226.97 : x
  2. Step 2: Convert to fraction form
    238,649.98/329,336.91 = 131,226.97/x
  3. Step 3: Cross multiply
    238,649.98x = 329,336.91 × 131,226.97
  4. Step 4: Simplify right side
    238,649.98x = 43,217,884,808.46
  5. Step 5: Solve for x
    x = 43,217,884,808.46/238,649.98
  6. Step 6: Final answer
    x = 181,093.18

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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.