Home / 199,518.96-298,949.58-178,941.72

Finding the Fourth Proportional to 199,518.96, 298,949.58 and 178,941.72

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Solution

The fourth proportional to 199,518.96, 298,949.58 and 178,941.72 is: 268,117.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,518.96 : 298,949.58 = 178,941.72 : x
  2. Step 2: Convert to fraction form
    199,518.96/298,949.58 = 178,941.72/x
  3. Step 3: Cross multiply
    199,518.96x = 298,949.58 × 178,941.72
  4. Step 4: Simplify right side
    199,518.96x = 53,494,552,038.48
  5. Step 5: Solve for x
    x = 53,494,552,038.48/199,518.96
  6. Step 6: Final answer
    x = 268,117.64

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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.