Home / 190,644.12-263,088.99-105,761.25

Finding the Fourth Proportional to 190,644.12, 263,088.99 and 105,761.25

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Solution

The fourth proportional to 190,644.12, 263,088.99 and 105,761.25 is: 145,950.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,644.12 : 263,088.99 = 105,761.25 : x
  2. Step 2: Convert to fraction form
    190,644.12/263,088.99 = 105,761.25/x
  3. Step 3: Cross multiply
    190,644.12x = 263,088.99 × 105,761.25
  4. Step 4: Simplify right side
    190,644.12x = 27,824,620,443.64
  5. Step 5: Solve for x
    x = 27,824,620,443.64/190,644.12
  6. Step 6: Final answer
    x = 145,950.58

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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.