Home / 141,048.93-194,644.01-78,958.56

Finding the Fourth Proportional to 141,048.93, 194,644.01 and 78,958.56

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Solution

The fourth proportional to 141,048.93, 194,644.01 and 78,958.56 is: 108,960.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,048.93 : 194,644.01 = 78,958.56 : x
  2. Step 2: Convert to fraction form
    141,048.93/194,644.01 = 78,958.56/x
  3. Step 3: Cross multiply
    141,048.93x = 194,644.01 × 78,958.56
  4. Step 4: Simplify right side
    141,048.93x = 15,368,810,347.43
  5. Step 5: Solve for x
    x = 15,368,810,347.43/141,048.93
  6. Step 6: Final answer
    x = 108,960.84

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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.