Home / 165,333.38-228,161.68-89,883.50

Finding the Fourth Proportional to 165,333.38, 228,161.68 and 89,883.50

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Solution

The fourth proportional to 165,333.38, 228,161.68 and 89,883.50 is: 124,040.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,333.38 : 228,161.68 = 89,883.50 : x
  2. Step 2: Convert to fraction form
    165,333.38/228,161.68 = 89,883.50/x
  3. Step 3: Cross multiply
    165,333.38x = 228,161.68 × 89,883.50
  4. Step 4: Simplify right side
    165,333.38x = 20,507,968,998.76
  5. Step 5: Solve for x
    x = 20,507,968,998.76/165,333.38
  6. Step 6: Final answer
    x = 124,040.10

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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.