Home / 238,763.03-329,486.07-131,333.09

Finding the Fourth Proportional to 238,763.03, 329,486.07 and 131,333.09

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Solution

The fourth proportional to 238,763.03, 329,486.07 and 131,333.09 is: 181,235.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,763.03 : 329,486.07 = 131,333.09 : x
  2. Step 2: Convert to fraction form
    238,763.03/329,486.07 = 131,333.09/x
  3. Step 3: Cross multiply
    238,763.03x = 329,486.07 × 131,333.09
  4. Step 4: Simplify right side
    238,763.03x = 43,272,422,037.63
  5. Step 5: Solve for x
    x = 43,272,422,037.63/238,763.03
  6. Step 6: Final answer
    x = 181,235.86

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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.