Home / 195,736.10-270,103.01-115,148.05

Finding the Fourth Proportional to 195,736.10, 270,103.01 and 115,148.05

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Solution

The fourth proportional to 195,736.10, 270,103.01 and 115,148.05 is: 158,896.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,736.10 : 270,103.01 = 115,148.05 : x
  2. Step 2: Convert to fraction form
    195,736.10/270,103.01 = 115,148.05/x
  3. Step 3: Cross multiply
    195,736.10x = 270,103.01 × 115,148.05
  4. Step 4: Simplify right side
    195,736.10x = 31,101,833,649.63
  5. Step 5: Solve for x
    x = 31,101,833,649.63/195,736.10
  6. Step 6: Final answer
    x = 158,896.77

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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.