Home / 190,067.34-262,292.93-105,189.87

Finding the Fourth Proportional to 190,067.34, 262,292.93 and 105,189.87

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Solution

The fourth proportional to 190,067.34, 262,292.93 and 105,189.87 is: 145,162.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,067.34 : 262,292.93 = 105,189.87 : x
  2. Step 2: Convert to fraction form
    190,067.34/262,292.93 = 105,189.87/x
  3. Step 3: Cross multiply
    190,067.34x = 262,292.93 × 105,189.87
  4. Step 4: Simplify right side
    190,067.34x = 27,590,560,652.42
  5. Step 5: Solve for x
    x = 27,590,560,652.42/190,067.34
  6. Step 6: Final answer
    x = 145,162.03

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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.