Home / 98,847.11-148,128.67-56,186.43

Finding the Fourth Proportional to 98,847.11, 148,128.67 and 56,186.43

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Solution

The fourth proportional to 98,847.11, 148,128.67 and 56,186.43 is: 84,198.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,847.11 : 148,128.67 = 56,186.43 : x
  2. Step 2: Convert to fraction form
    98,847.11/148,128.67 = 56,186.43/x
  3. Step 3: Cross multiply
    98,847.11x = 148,128.67 × 56,186.43
  4. Step 4: Simplify right side
    98,847.11x = 8,322,821,147.95
  5. Step 5: Solve for x
    x = 8,322,821,147.95/98,847.11
  6. Step 6: Final answer
    x = 84,198.93

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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.