Home / 268,851.42-403,526.38-135,825.34

Finding the Fourth Proportional to 268,851.42, 403,526.38 and 135,825.34

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Solution

The fourth proportional to 268,851.42, 403,526.38 and 135,825.34 is: 203,863.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,851.42 : 403,526.38 = 135,825.34 : x
  2. Step 2: Convert to fraction form
    268,851.42/403,526.38 = 135,825.34/x
  3. Step 3: Cross multiply
    268,851.42x = 403,526.38 × 135,825.34
  4. Step 4: Simplify right side
    268,851.42x = 54,809,107,762.47
  5. Step 5: Solve for x
    x = 54,809,107,762.47/268,851.42
  6. Step 6: Final answer
    x = 203,863.93

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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.