Home / 199,563.24-275,403.67-113,519.98

Finding the Fourth Proportional to 199,563.24, 275,403.67 and 113,519.98

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Solution

The fourth proportional to 199,563.24, 275,403.67 and 113,519.98 is: 156,661.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,563.24 : 275,403.67 = 113,519.98 : x
  2. Step 2: Convert to fraction form
    199,563.24/275,403.67 = 113,519.98/x
  3. Step 3: Cross multiply
    199,563.24x = 275,403.67 × 113,519.98
  4. Step 4: Simplify right side
    199,563.24x = 31,263,819,490.06
  5. Step 5: Solve for x
    x = 31,263,819,490.06/199,563.24
  6. Step 6: Final answer
    x = 156,661.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.