Home / 151,919.54-209,647.73-83,936.29

Finding the Fourth Proportional to 151,919.54, 209,647.73 and 83,936.29

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Solution

The fourth proportional to 151,919.54, 209,647.73 and 83,936.29 is: 115,831.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,919.54 : 209,647.73 = 83,936.29 : x
  2. Step 2: Convert to fraction form
    151,919.54/209,647.73 = 83,936.29/x
  3. Step 3: Cross multiply
    151,919.54x = 209,647.73 × 83,936.29
  4. Step 4: Simplify right side
    151,919.54x = 17,597,052,243.44
  5. Step 5: Solve for x
    x = 17,597,052,243.44/151,919.54
  6. Step 6: Final answer
    x = 115,831.40

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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.