Home / 202,631.91-303,942.63-65,854.25

Finding the Fourth Proportional to 202,631.91, 303,942.63 and 65,854.25

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Solution

The fourth proportional to 202,631.91, 303,942.63 and 65,854.25 is: 98,779.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,631.91 : 303,942.63 = 65,854.25 : x
  2. Step 2: Convert to fraction form
    202,631.91/303,942.63 = 65,854.25/x
  3. Step 3: Cross multiply
    202,631.91x = 303,942.63 × 65,854.25
  4. Step 4: Simplify right side
    202,631.91x = 20,015,912,728.66
  5. Step 5: Solve for x
    x = 20,015,912,728.66/202,631.91
  6. Step 6: Final answer
    x = 98,779.67

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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.