Home / 238,941.76-329,761.68-131,533.60

Finding the Fourth Proportional to 238,941.76, 329,761.68 and 131,533.60

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Solution

The fourth proportional to 238,941.76, 329,761.68 and 131,533.60 is: 181,528.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,941.76 : 329,761.68 = 131,533.60 : x
  2. Step 2: Convert to fraction form
    238,941.76/329,761.68 = 131,533.60/x
  3. Step 3: Cross multiply
    238,941.76x = 329,761.68 × 131,533.60
  4. Step 4: Simplify right side
    238,941.76x = 43,374,740,912.45
  5. Step 5: Solve for x
    x = 43,374,740,912.45/238,941.76
  6. Step 6: Final answer
    x = 181,528.51

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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.