Home / 199,218.95-298,825.65-113,647.21

Finding the Fourth Proportional to 199,218.95, 298,825.65 and 113,647.21

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Solution

The fourth proportional to 199,218.95, 298,825.65 and 113,647.21 is: 170,469.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,218.95 : 298,825.65 = 113,647.21 : x
  2. Step 2: Convert to fraction form
    199,218.95/298,825.65 = 113,647.21/x
  3. Step 3: Cross multiply
    199,218.95x = 298,825.65 × 113,647.21
  4. Step 4: Simplify right side
    199,218.95x = 33,960,700,651.87
  5. Step 5: Solve for x
    x = 33,960,700,651.87/199,218.95
  6. Step 6: Final answer
    x = 170,469.23

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1.5x scale

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.