Home / 107,443.66-148,226.30-67,129.96

Finding the Fourth Proportional to 107,443.66, 148,226.30 and 67,129.96

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Solution

The fourth proportional to 107,443.66, 148,226.30 and 67,129.96 is: 92,610.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,443.66 : 148,226.30 = 67,129.96 : x
  2. Step 2: Convert to fraction form
    107,443.66/148,226.30 = 67,129.96/x
  3. Step 3: Cross multiply
    107,443.66x = 148,226.30 × 67,129.96
  4. Step 4: Simplify right side
    107,443.66x = 9,950,425,589.95
  5. Step 5: Solve for x
    x = 9,950,425,589.95/107,443.66
  6. Step 6: Final answer
    x = 92,610.64

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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.