Home / 123,067.20-184,600.80-70,433.40

Finding the Fourth Proportional to 123,067.20, 184,600.80 and 70,433.40

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Solution

The fourth proportional to 123,067.20, 184,600.80 and 70,433.40 is: 105,650.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,067.20 : 184,600.80 = 70,433.40 : x
  2. Step 2: Convert to fraction form
    123,067.20/184,600.80 = 70,433.40/x
  3. Step 3: Cross multiply
    123,067.20x = 184,600.80 × 70,433.40
  4. Step 4: Simplify right side
    123,067.20x = 13,002,061,986.72
  5. Step 5: Solve for x
    x = 13,002,061,986.72/123,067.20
  6. Step 6: Final answer
    x = 105,650.10

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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.