Home / 209,183.33-288,675.23-113,690.03

Finding the Fourth Proportional to 209,183.33, 288,675.23 and 113,690.03

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Solution

The fourth proportional to 209,183.33, 288,675.23 and 113,690.03 is: 156,893.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,183.33 : 288,675.23 = 113,690.03 : x
  2. Step 2: Convert to fraction form
    209,183.33/288,675.23 = 113,690.03/x
  3. Step 3: Cross multiply
    209,183.33x = 288,675.23 × 113,690.03
  4. Step 4: Simplify right side
    209,183.33x = 32,819,493,547.13
  5. Step 5: Solve for x
    x = 32,819,493,547.13/209,183.33
  6. Step 6: Final answer
    x = 156,893.45

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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.