Home / 190,596.19-263,054.24-105,740.59

Finding the Fourth Proportional to 190,596.19, 263,054.24 and 105,740.59

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Solution

The fourth proportional to 190,596.19, 263,054.24 and 105,740.59 is: 145,939.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,596.19 : 263,054.24 = 105,740.59 : x
  2. Step 2: Convert to fraction form
    190,596.19/263,054.24 = 105,740.59/x
  3. Step 3: Cross multiply
    190,596.19x = 263,054.24 × 105,740.59
  4. Step 4: Simplify right side
    190,596.19x = 27,815,510,539.60
  5. Step 5: Solve for x
    x = 27,815,510,539.60/190,596.19
  6. Step 6: Final answer
    x = 145,939.49

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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.