Home / 165,282.75-228,091.01-89,831.25

Finding the Fourth Proportional to 165,282.75, 228,091.01 and 89,831.25

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Solution

The fourth proportional to 165,282.75, 228,091.01 and 89,831.25 is: 123,967.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,282.75 : 228,091.01 = 89,831.25 : x
  2. Step 2: Convert to fraction form
    165,282.75/228,091.01 = 89,831.25/x
  3. Step 3: Cross multiply
    165,282.75x = 228,091.01 × 89,831.25
  4. Step 4: Simplify right side
    165,282.75x = 20,489,700,092.91
  5. Step 5: Solve for x
    x = 20,489,700,092.91/165,282.75
  6. Step 6: Final answer
    x = 123,967.57

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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.