Home / 405,851.48-560,163.32-236,107.88

Finding the Fourth Proportional to 405,851.48, 560,163.32 and 236,107.88

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Solution

The fourth proportional to 405,851.48, 560,163.32 and 236,107.88 is: 325,880.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,851.48 : 560,163.32 = 236,107.88 : x
  2. Step 2: Convert to fraction form
    405,851.48/560,163.32 = 236,107.88/x
  3. Step 3: Cross multiply
    405,851.48x = 560,163.32 × 236,107.88
  4. Step 4: Simplify right side
    405,851.48x = 132,258,973,938.96
  5. Step 5: Solve for x
    x = 132,258,973,938.96/405,851.48
  6. Step 6: Final answer
    x = 325,880.23

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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.