Home / 151,917.39-209,635.23-83,933.64

Finding the Fourth Proportional to 151,917.39, 209,635.23 and 83,933.64

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Solution

The fourth proportional to 151,917.39, 209,635.23 and 83,933.64 is: 115,822.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,917.39 : 209,635.23 = 83,933.64 : x
  2. Step 2: Convert to fraction form
    151,917.39/209,635.23 = 83,933.64/x
  3. Step 3: Cross multiply
    151,917.39x = 209,635.23 × 83,933.64
  4. Step 4: Simplify right side
    151,917.39x = 17,595,448,240.33
  5. Step 5: Solve for x
    x = 17,595,448,240.33/151,917.39
  6. Step 6: Final answer
    x = 115,822.47

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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.