Home / 190,595.53-263,053.34-105,739.93

Finding the Fourth Proportional to 190,595.53, 263,053.34 and 105,739.93

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Solution

The fourth proportional to 190,595.53, 263,053.34 and 105,739.93 is: 145,938.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,595.53 : 263,053.34 = 105,739.93 : x
  2. Step 2: Convert to fraction form
    190,595.53/263,053.34 = 105,739.93/x
  3. Step 3: Cross multiply
    190,595.53x = 263,053.34 × 105,739.93
  4. Step 4: Simplify right side
    190,595.53x = 27,815,241,757.87
  5. Step 5: Solve for x
    x = 27,815,241,757.87/190,595.53
  6. Step 6: Final answer
    x = 145,938.58

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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.