Home / 209,183.32-288,673.01-113,690.01

Finding the Fourth Proportional to 209,183.32, 288,673.01 and 113,690.01

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Solution

The fourth proportional to 209,183.32, 288,673.01 and 113,690.01 is: 156,892.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,183.32 : 288,673.01 = 113,690.01 : x
  2. Step 2: Convert to fraction form
    209,183.32/288,673.01 = 113,690.01/x
  3. Step 3: Cross multiply
    209,183.32x = 288,673.01 × 113,690.01
  4. Step 4: Simplify right side
    209,183.32x = 32,819,237,393.63
  5. Step 5: Solve for x
    x = 32,819,237,393.63/209,183.32
  6. Step 6: Final answer
    x = 156,892.23

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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.