Home / 105,939.42-146,197.26-58,193.82

Finding the Fourth Proportional to 105,939.42, 146,197.26 and 58,193.82

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Solution

The fourth proportional to 105,939.42, 146,197.26 and 58,193.82 is: 80,307.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,939.42 : 146,197.26 = 58,193.82 : x
  2. Step 2: Convert to fraction form
    105,939.42/146,197.26 = 58,193.82/x
  3. Step 3: Cross multiply
    105,939.42x = 146,197.26 × 58,193.82
  4. Step 4: Simplify right side
    105,939.42x = 8,507,777,032.93
  5. Step 5: Solve for x
    x = 8,507,777,032.93/105,939.42
  6. Step 6: Final answer
    x = 80,307.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.