Home / 151,489.26-209,067.12-83,518.26

Finding the Fourth Proportional to 151,489.26, 209,067.12 and 83,518.26

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Solution

The fourth proportional to 151,489.26, 209,067.12 and 83,518.26 is: 115,261.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,489.26 : 209,067.12 = 83,518.26 : x
  2. Step 2: Convert to fraction form
    151,489.26/209,067.12 = 83,518.26/x
  3. Step 3: Cross multiply
    151,489.26x = 209,067.12 × 83,518.26
  4. Step 4: Simplify right side
    151,489.26x = 17,460,922,085.61
  5. Step 5: Solve for x
    x = 17,460,922,085.61/151,489.26
  6. Step 6: Final answer
    x = 115,261.78

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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.