Home / 190,745.94-263,260.90-105,890.34

Finding the Fourth Proportional to 190,745.94, 263,260.90 and 105,890.34

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Solution

The fourth proportional to 190,745.94, 263,260.90 and 105,890.34 is: 146,146.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,745.94 : 263,260.90 = 105,890.34 : x
  2. Step 2: Convert to fraction form
    190,745.94/263,260.90 = 105,890.34/x
  3. Step 3: Cross multiply
    190,745.94x = 263,260.90 × 105,890.34
  4. Step 4: Simplify right side
    190,745.94x = 27,876,786,209.71
  5. Step 5: Solve for x
    x = 27,876,786,209.71/190,745.94
  6. Step 6: Final answer
    x = 146,146.16

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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.