Home / 204,055.40-306,082.70-54,295.67

Finding the Fourth Proportional to 204,055.40, 306,082.70 and 54,295.67

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Solution

The fourth proportional to 204,055.40, 306,082.70 and 54,295.67 is: 81,443.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,055.40 : 306,082.70 = 54,295.67 : x
  2. Step 2: Convert to fraction form
    204,055.40/306,082.70 = 54,295.67/x
  3. Step 3: Cross multiply
    204,055.40x = 306,082.70 × 54,295.67
  4. Step 4: Simplify right side
    204,055.40x = 16,618,964,247.53
  5. Step 5: Solve for x
    x = 16,618,964,247.53/204,055.40
  6. Step 6: Final answer
    x = 81,443.39

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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.