Home / 353,435.06-487,735.02-192,286.43

Finding the Fourth Proportional to 353,435.06, 487,735.02 and 192,286.43

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Solution

The fourth proportional to 353,435.06, 487,735.02 and 192,286.43 is: 265,352.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,435.06 : 487,735.02 = 192,286.43 : x
  2. Step 2: Convert to fraction form
    353,435.06/487,735.02 = 192,286.43/x
  3. Step 3: Cross multiply
    353,435.06x = 487,735.02 × 192,286.43
  4. Step 4: Simplify right side
    353,435.06x = 93,784,823,343.10
  5. Step 5: Solve for x
    x = 93,784,823,343.10/353,435.06
  6. Step 6: Final answer
    x = 265,352.35

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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.