Home / 238,969.22-329,777.52-131,538.77

Finding the Fourth Proportional to 238,969.22, 329,777.52 and 131,538.77

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Solution

The fourth proportional to 238,969.22, 329,777.52 and 131,538.77 is: 181,523.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,969.22 : 329,777.52 = 131,538.77 : x
  2. Step 2: Convert to fraction form
    238,969.22/329,777.52 = 131,538.77/x
  3. Step 3: Cross multiply
    238,969.22x = 329,777.52 × 131,538.77
  4. Step 4: Simplify right side
    238,969.22x = 43,378,527,705.56
  5. Step 5: Solve for x
    x = 43,378,527,705.56/238,969.22
  6. Step 6: Final answer
    x = 181,523.50

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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.