Home / 198,940.96-298,411.26-58,688.56

Finding the Fourth Proportional to 198,940.96, 298,411.26 and 58,688.56

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Solution

The fourth proportional to 198,940.96, 298,411.26 and 58,688.56 is: 88,032.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,940.96 : 298,411.26 = 58,688.56 : x
  2. Step 2: Convert to fraction form
    198,940.96/298,411.26 = 58,688.56/x
  3. Step 3: Cross multiply
    198,940.96x = 298,411.26 × 58,688.56
  4. Step 4: Simplify right side
    198,940.96x = 17,513,327,137.19
  5. Step 5: Solve for x
    x = 17,513,327,137.19/198,940.96
  6. Step 6: Final answer
    x = 88,032.79

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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.