Home / 195,609.09-269,899.02-115,007.19

Finding the Fourth Proportional to 195,609.09, 269,899.02 and 115,007.19

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Solution

The fourth proportional to 195,609.09, 269,899.02 and 115,007.19 is: 158,685.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,609.09 : 269,899.02 = 115,007.19 : x
  2. Step 2: Convert to fraction form
    195,609.09/269,899.02 = 115,007.19/x
  3. Step 3: Cross multiply
    195,609.09x = 269,899.02 × 115,007.19
  4. Step 4: Simplify right side
    195,609.09x = 31,040,327,873.95
  5. Step 5: Solve for x
    x = 31,040,327,873.95/195,609.09
  6. Step 6: Final answer
    x = 158,685.51

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1.5x scale

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.