Home / 109,683.12-164,503.92-53,466.76

Finding the Fourth Proportional to 109,683.12, 164,503.92 and 53,466.76

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Solution

The fourth proportional to 109,683.12, 164,503.92 and 53,466.76 is: 80,190.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,683.12 : 164,503.92 = 53,466.76 : x
  2. Step 2: Convert to fraction form
    109,683.12/164,503.92 = 53,466.76/x
  3. Step 3: Cross multiply
    109,683.12x = 164,503.92 × 53,466.76
  4. Step 4: Simplify right side
    109,683.12x = 8,795,491,609.70
  5. Step 5: Solve for x
    x = 8,795,491,609.70/109,683.12
  6. Step 6: Final answer
    x = 80,190.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.