Home / 190,595.44-263,053.20-105,739.84

Finding the Fourth Proportional to 190,595.44, 263,053.20 and 105,739.84

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Solution

The fourth proportional to 190,595.44, 263,053.20 and 105,739.84 is: 145,938.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,595.44 : 263,053.20 = 105,739.84 : x
  2. Step 2: Convert to fraction form
    190,595.44/263,053.20 = 105,739.84/x
  3. Step 3: Cross multiply
    190,595.44x = 263,053.20 × 105,739.84
  4. Step 4: Simplify right side
    190,595.44x = 27,815,203,279.49
  5. Step 5: Solve for x
    x = 27,815,203,279.49/190,595.44
  6. Step 6: Final answer
    x = 145,938.45

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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.