Home / 140,704.51-194,174.36-77,048.23

Finding the Fourth Proportional to 140,704.51, 194,174.36 and 77,048.23

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Solution

The fourth proportional to 140,704.51, 194,174.36 and 77,048.23 is: 106,327.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,704.51 : 194,174.36 = 77,048.23 : x
  2. Step 2: Convert to fraction form
    140,704.51/194,174.36 = 77,048.23/x
  3. Step 3: Cross multiply
    140,704.51x = 194,174.36 × 77,048.23
  4. Step 4: Simplify right side
    140,704.51x = 14,960,790,456.57
  5. Step 5: Solve for x
    x = 14,960,790,456.57/140,704.51
  6. Step 6: Final answer
    x = 106,327.73

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1.5x scale

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.