Home / 195,609.51-269,947.77-109,572.18

Finding the Fourth Proportional to 195,609.51, 269,947.77 and 109,572.18

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Solution

The fourth proportional to 195,609.51, 269,947.77 and 109,572.18 is: 151,213.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,609.51 : 269,947.77 = 109,572.18 : x
  2. Step 2: Convert to fraction form
    195,609.51/269,947.77 = 109,572.18/x
  3. Step 3: Cross multiply
    195,609.51x = 269,947.77 × 109,572.18
  4. Step 4: Simplify right side
    195,609.51x = 29,578,765,645.04
  5. Step 5: Solve for x
    x = 29,578,765,645.04/195,609.51
  6. Step 6: Final answer
    x = 151,213.33

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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.