Home / 190,910.34-263,448.90-106,032.78

Finding the Fourth Proportional to 190,910.34, 263,448.90 and 106,032.78

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Solution

The fourth proportional to 190,910.34, 263,448.90 and 106,032.78 is: 146,321.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,910.34 : 263,448.90 = 106,032.78 : x
  2. Step 2: Convert to fraction form
    190,910.34/263,448.90 = 106,032.78/x
  3. Step 3: Cross multiply
    190,910.34x = 263,448.90 × 106,032.78
  4. Step 4: Simplify right side
    190,910.34x = 27,934,219,254.94
  5. Step 5: Solve for x
    x = 27,934,219,254.94/190,910.34
  6. Step 6: Final answer
    x = 146,321.14

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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.