Home / 199,362.11-298,704.65-120,310.23

Finding the Fourth Proportional to 199,362.11, 298,704.65 and 120,310.23

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Solution

The fourth proportional to 199,362.11, 298,704.65 and 120,310.23 is: 180,261.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,362.11 : 298,704.65 = 120,310.23 : x
  2. Step 2: Convert to fraction form
    199,362.11/298,704.65 = 120,310.23/x
  3. Step 3: Cross multiply
    199,362.11x = 298,704.65 × 120,310.23
  4. Step 4: Simplify right side
    199,362.11x = 35,937,224,542.02
  5. Step 5: Solve for x
    x = 35,937,224,542.02/199,362.11
  6. Step 6: Final answer
    x = 180,261.06

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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.