Home / 165,298.24-228,112.96-89,846.72

Finding the Fourth Proportional to 165,298.24, 228,112.96 and 89,846.72

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Solution

The fourth proportional to 165,298.24, 228,112.96 and 89,846.72 is: 123,989.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,298.24 : 228,112.96 = 89,846.72 : x
  2. Step 2: Convert to fraction form
    165,298.24/228,112.96 = 89,846.72/x
  3. Step 3: Cross multiply
    165,298.24x = 228,112.96 × 89,846.72
  4. Step 4: Simplify right side
    165,298.24x = 20,495,201,245.49
  5. Step 5: Solve for x
    x = 20,495,201,245.49/165,298.24
  6. Step 6: Final answer
    x = 123,989.23

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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.