Home / 238,550.07-329,192.60-131,120.13

Finding the Fourth Proportional to 238,550.07, 329,192.60 and 131,120.13

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Solution

The fourth proportional to 238,550.07, 329,192.60 and 131,120.13 is: 180,942.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,550.07 : 329,192.60 = 131,120.13 : x
  2. Step 2: Convert to fraction form
    238,550.07/329,192.60 = 131,120.13/x
  3. Step 3: Cross multiply
    238,550.07x = 329,192.60 × 131,120.13
  4. Step 4: Simplify right side
    238,550.07x = 43,163,775,851.44
  5. Step 5: Solve for x
    x = 43,163,775,851.44/238,550.07
  6. Step 6: Final answer
    x = 180,942.21

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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.