Home / 105,956.22-146,220.21-58,208.34

Finding the Fourth Proportional to 105,956.22, 146,220.21 and 58,208.34

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Solution

The fourth proportional to 105,956.22, 146,220.21 and 58,208.34 is: 80,327.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,956.22 : 146,220.21 = 58,208.34 : x
  2. Step 2: Convert to fraction form
    105,956.22/146,220.21 = 58,208.34/x
  3. Step 3: Cross multiply
    105,956.22x = 146,220.21 × 58,208.34
  4. Step 4: Simplify right side
    105,956.22x = 8,511,235,698.55
  5. Step 5: Solve for x
    x = 8,511,235,698.55/105,956.22
  6. Step 6: Final answer
    x = 80,327.85

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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.