Home / 128,860.56-193,244.48-44,597.85

Finding the Fourth Proportional to 128,860.56, 193,244.48 and 44,597.85

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Solution

The fourth proportional to 128,860.56, 193,244.48 and 44,597.85 is: 66,880.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,860.56 : 193,244.48 = 44,597.85 : x
  2. Step 2: Convert to fraction form
    128,860.56/193,244.48 = 44,597.85/x
  3. Step 3: Cross multiply
    128,860.56x = 193,244.48 × 44,597.85
  4. Step 4: Simplify right side
    128,860.56x = 8,618,288,332.37
  5. Step 5: Solve for x
    x = 8,618,288,332.37/128,860.56
  6. Step 6: Final answer
    x = 66,880.73

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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.