Home / 128,367.42-192,596.73-57,283.59

Finding the Fourth Proportional to 128,367.42, 192,596.73 and 57,283.59

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Solution

The fourth proportional to 128,367.42, 192,596.73 and 57,283.59 is: 85,945.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,367.42 : 192,596.73 = 57,283.59 : x
  2. Step 2: Convert to fraction form
    128,367.42/192,596.73 = 57,283.59/x
  3. Step 3: Cross multiply
    128,367.42x = 192,596.73 × 57,283.59
  4. Step 4: Simplify right side
    128,367.42x = 11,032,632,116.66
  5. Step 5: Solve for x
    x = 11,032,632,116.66/128,367.42
  6. Step 6: Final answer
    x = 85,945.73

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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.