Home / 238,629.43-329,289.02-140,497.07

Finding the Fourth Proportional to 238,629.43, 329,289.02 and 140,497.07

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Solution

The fourth proportional to 238,629.43, 329,289.02 and 140,497.07 is: 193,874.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,629.43 : 329,289.02 = 140,497.07 : x
  2. Step 2: Convert to fraction form
    238,629.43/329,289.02 = 140,497.07/x
  3. Step 3: Cross multiply
    238,629.43x = 329,289.02 × 140,497.07
  4. Step 4: Simplify right side
    238,629.43x = 46,264,141,790.69
  5. Step 5: Solve for x
    x = 46,264,141,790.69/238,629.43
  6. Step 6: Final answer
    x = 193,874.42

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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.