Home / 165,406.79-228,164.19-104,055.41

Finding the Fourth Proportional to 165,406.79, 228,164.19 and 104,055.41

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Solution

The fourth proportional to 165,406.79, 228,164.19 and 104,055.41 is: 143,535.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,406.79 : 228,164.19 = 104,055.41 : x
  2. Step 2: Convert to fraction form
    165,406.79/228,164.19 = 104,055.41/x
  3. Step 3: Cross multiply
    165,406.79x = 228,164.19 × 104,055.41
  4. Step 4: Simplify right side
    165,406.79x = 23,741,718,337.77
  5. Step 5: Solve for x
    x = 23,741,718,337.77/165,406.79
  6. Step 6: Final answer
    x = 143,535.33

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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.