Home / 106,018.42-146,230.77-91,845.94

Finding the Fourth Proportional to 106,018.42, 146,230.77 and 91,845.94

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Solution

The fourth proportional to 106,018.42, 146,230.77 and 91,845.94 is: 126,682.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,018.42 : 146,230.77 = 91,845.94 : x
  2. Step 2: Convert to fraction form
    106,018.42/146,230.77 = 91,845.94/x
  3. Step 3: Cross multiply
    106,018.42x = 146,230.77 × 91,845.94
  4. Step 4: Simplify right side
    106,018.42x = 13,430,702,527.57
  5. Step 5: Solve for x
    x = 13,430,702,527.57/106,018.42
  6. Step 6: Final answer
    x = 126,682.73

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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.