Home / 140,747.55-194,224.39-77,083.98

Finding the Fourth Proportional to 140,747.55, 194,224.39 and 77,083.98

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Solution

The fourth proportional to 140,747.55, 194,224.39 and 77,083.98 is: 106,371.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,747.55 : 194,224.39 = 77,083.98 : x
  2. Step 2: Convert to fraction form
    140,747.55/194,224.39 = 77,083.98/x
  3. Step 3: Cross multiply
    140,747.55x = 194,224.39 × 77,083.98
  4. Step 4: Simplify right side
    140,747.55x = 14,971,588,994.27
  5. Step 5: Solve for x
    x = 14,971,588,994.27/140,747.55
  6. Step 6: Final answer
    x = 106,371.93

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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.