Home / 238,431.12-329,179.44-157,927.64

Finding the Fourth Proportional to 238,431.12, 329,179.44 and 157,927.64

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Solution

The fourth proportional to 238,431.12, 329,179.44 and 157,927.64 is: 218,035.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,431.12 : 329,179.44 = 157,927.64 : x
  2. Step 2: Convert to fraction form
    238,431.12/329,179.44 = 157,927.64/x
  3. Step 3: Cross multiply
    238,431.12x = 329,179.44 × 157,927.64
  4. Step 4: Simplify right side
    238,431.12x = 51,986,532,095.72
  5. Step 5: Solve for x
    x = 51,986,532,095.72/238,431.12
  6. Step 6: Final answer
    x = 218,035.85

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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.