Home / 209,583.81-289,224.21-114,090.27

Finding the Fourth Proportional to 209,583.81, 289,224.21 and 114,090.27

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Solution

The fourth proportional to 209,583.81, 289,224.21 and 114,090.27 is: 157,443.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,583.81 : 289,224.21 = 114,090.27 : x
  2. Step 2: Convert to fraction form
    209,583.81/289,224.21 = 114,090.27/x
  3. Step 3: Cross multiply
    209,583.81x = 289,224.21 × 114,090.27
  4. Step 4: Simplify right side
    209,583.81x = 32,997,668,209.44
  5. Step 5: Solve for x
    x = 32,997,668,209.44/209,583.81
  6. Step 6: Final answer
    x = 157,443.78

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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.