Home / 136,120.03-204,002.64-69,504.01

Finding the Fourth Proportional to 136,120.03, 204,002.64 and 69,504.01

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Solution

The fourth proportional to 136,120.03, 204,002.64 and 69,504.01 is: 104,165.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,120.03 : 204,002.64 = 69,504.01 : x
  2. Step 2: Convert to fraction form
    136,120.03/204,002.64 = 69,504.01/x
  3. Step 3: Cross multiply
    136,120.03x = 204,002.64 × 69,504.01
  4. Step 4: Simplify right side
    136,120.03x = 14,179,001,020.58
  5. Step 5: Solve for x
    x = 14,179,001,020.58/136,120.03
  6. Step 6: Final answer
    x = 104,165.43

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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.