Home / 106,126.44-146,455.18-58,378.56

Finding the Fourth Proportional to 106,126.44, 146,455.18 and 58,378.56

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Solution

The fourth proportional to 106,126.44, 146,455.18 and 58,378.56 is: 80,562.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,126.44 : 146,455.18 = 58,378.56 : x
  2. Step 2: Convert to fraction form
    106,126.44/146,455.18 = 58,378.56/x
  3. Step 3: Cross multiply
    106,126.44x = 146,455.18 × 58,378.56
  4. Step 4: Simplify right side
    106,126.44x = 8,549,842,512.94
  5. Step 5: Solve for x
    x = 8,549,842,512.94/106,126.44
  6. Step 6: Final answer
    x = 80,562.79

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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.