Home / 134,431.42-201,771.60-67,918.36

Finding the Fourth Proportional to 134,431.42, 201,771.60 and 67,918.36

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Solution

The fourth proportional to 134,431.42, 201,771.60 and 67,918.36 is: 101,940.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,431.42 : 201,771.60 = 67,918.36 : x
  2. Step 2: Convert to fraction form
    134,431.42/201,771.60 = 67,918.36/x
  3. Step 3: Cross multiply
    134,431.42x = 201,771.60 × 67,918.36
  4. Step 4: Simplify right side
    134,431.42x = 13,703,996,166.58
  5. Step 5: Solve for x
    x = 13,703,996,166.58/134,431.42
  6. Step 6: Final answer
    x = 101,940.43

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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.