Home / 238,583.12-329,245.32-136,610.12

Finding the Fourth Proportional to 238,583.12, 329,245.32 and 136,610.12

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Solution

The fourth proportional to 238,583.12, 329,245.32 and 136,610.12 is: 188,522.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,583.12 : 329,245.32 = 136,610.12 : x
  2. Step 2: Convert to fraction form
    238,583.12/329,245.32 = 136,610.12/x
  3. Step 3: Cross multiply
    238,583.12x = 329,245.32 × 136,610.12
  4. Step 4: Simplify right side
    238,583.12x = 44,978,242,674.64
  5. Step 5: Solve for x
    x = 44,978,242,674.64/238,583.12
  6. Step 6: Final answer
    x = 188,522.32

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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.