Home / 238,539.66-329,180.48-131,109.66

Finding the Fourth Proportional to 238,539.66, 329,180.48 and 131,109.66

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Solution

The fourth proportional to 238,539.66, 329,180.48 and 131,109.66 is: 180,929.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,539.66 : 329,180.48 = 131,109.66 : x
  2. Step 2: Convert to fraction form
    238,539.66/329,180.48 = 131,109.66/x
  3. Step 3: Cross multiply
    238,539.66x = 329,180.48 × 131,109.66
  4. Step 4: Simplify right side
    238,539.66x = 43,158,741,942.12
  5. Step 5: Solve for x
    x = 43,158,741,942.12/238,539.66
  6. Step 6: Final answer
    x = 180,929.00

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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.