Home / 107,221.18-148,059.30-67,003.68

Finding the Fourth Proportional to 107,221.18, 148,059.30 and 67,003.68

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Solution

The fourth proportional to 107,221.18, 148,059.30 and 67,003.68 is: 92,523.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,221.18 : 148,059.30 = 67,003.68 : x
  2. Step 2: Convert to fraction form
    107,221.18/148,059.30 = 67,003.68/x
  3. Step 3: Cross multiply
    107,221.18x = 148,059.30 × 67,003.68
  4. Step 4: Simplify right side
    107,221.18x = 9,920,517,958.22
  5. Step 5: Solve for x
    x = 9,920,517,958.22/107,221.18
  6. Step 6: Final answer
    x = 92,523.86

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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.