Home / 129,114.42-193,682.80-35,620.17

Finding the Fourth Proportional to 129,114.42, 193,682.80 and 35,620.17

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Solution

The fourth proportional to 129,114.42, 193,682.80 and 35,620.17 is: 53,433.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,114.42 : 193,682.80 = 35,620.17 : x
  2. Step 2: Convert to fraction form
    129,114.42/193,682.80 = 35,620.17/x
  3. Step 3: Cross multiply
    129,114.42x = 193,682.80 × 35,620.17
  4. Step 4: Simplify right side
    129,114.42x = 6,899,014,469.39
  5. Step 5: Solve for x
    x = 6,899,014,469.39/129,114.42
  6. Step 6: Final answer
    x = 53,433.34

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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.