Home / 198,919.86-298,397.47-56,762.43

Finding the Fourth Proportional to 198,919.86, 298,397.47 and 56,762.43

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Solution

The fourth proportional to 198,919.86, 298,397.47 and 56,762.43 is: 85,148.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,919.86 : 298,397.47 = 56,762.43 : x
  2. Step 2: Convert to fraction form
    198,919.86/298,397.47 = 56,762.43/x
  3. Step 3: Cross multiply
    198,919.86x = 298,397.47 × 56,762.43
  4. Step 4: Simplify right side
    198,919.86x = 16,937,765,503.05
  5. Step 5: Solve for x
    x = 16,937,765,503.05/198,919.86
  6. Step 6: Final answer
    x = 85,148.69

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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.