Home / 189,198.36-262,220.76-185,655.42

Finding the Fourth Proportional to 189,198.36, 262,220.76 and 185,655.42

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Solution

The fourth proportional to 189,198.36, 262,220.76 and 185,655.42 is: 257,310.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,198.36 : 262,220.76 = 185,655.42 : x
  2. Step 2: Convert to fraction form
    189,198.36/262,220.76 = 185,655.42/x
  3. Step 3: Cross multiply
    189,198.36x = 262,220.76 × 185,655.42
  4. Step 4: Simplify right side
    189,198.36x = 48,682,705,330.52
  5. Step 5: Solve for x
    x = 48,682,705,330.52/189,198.36
  6. Step 6: Final answer
    x = 257,310.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.