Home / 358,825.44-537,730.71-198,971.79

Finding the Fourth Proportional to 358,825.44, 537,730.71 and 198,971.79

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Solution

The fourth proportional to 358,825.44, 537,730.71 and 198,971.79 is: 298,176.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,825.44 : 537,730.71 = 198,971.79 : x
  2. Step 2: Convert to fraction form
    358,825.44/537,730.71 = 198,971.79/x
  3. Step 3: Cross multiply
    358,825.44x = 537,730.71 × 198,971.79
  4. Step 4: Simplify right side
    358,825.44x = 106,993,241,906.67
  5. Step 5: Solve for x
    x = 106,993,241,906.67/358,825.44
  6. Step 6: Final answer
    x = 298,176.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.