Home / 190,644.69-263,089.99-105,761.76

Finding the Fourth Proportional to 190,644.69, 263,089.99 and 105,761.76

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Solution

The fourth proportional to 190,644.69, 263,089.99 and 105,761.76 is: 145,951.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,644.69 : 263,089.99 = 105,761.76 : x
  2. Step 2: Convert to fraction form
    190,644.69/263,089.99 = 105,761.76/x
  3. Step 3: Cross multiply
    190,644.69x = 263,089.99 × 105,761.76
  4. Step 4: Simplify right side
    190,644.69x = 27,824,860,380.78
  5. Step 5: Solve for x
    x = 27,824,860,380.78/190,644.69
  6. Step 6: Final answer
    x = 145,951.41

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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.