Home / 195,741.36-270,118.47-115,174.10

Finding the Fourth Proportional to 195,741.36, 270,118.47 and 115,174.10

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Solution

The fourth proportional to 195,741.36, 270,118.47 and 115,174.10 is: 158,937.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,741.36 : 270,118.47 = 115,174.10 : x
  2. Step 2: Convert to fraction form
    195,741.36/270,118.47 = 115,174.10/x
  3. Step 3: Cross multiply
    195,741.36x = 270,118.47 × 115,174.10
  4. Step 4: Simplify right side
    195,741.36x = 31,110,650,325.03
  5. Step 5: Solve for x
    x = 31,110,650,325.03/195,741.36
  6. Step 6: Final answer
    x = 158,937.54

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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.