Home / 165,797.36-228,797.16-90,344.24

Finding the Fourth Proportional to 165,797.36, 228,797.16 and 90,344.24

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Solution

The fourth proportional to 165,797.36, 228,797.16 and 90,344.24 is: 124,673.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,797.36 : 228,797.16 = 90,344.24 : x
  2. Step 2: Convert to fraction form
    165,797.36/228,797.16 = 90,344.24/x
  3. Step 3: Cross multiply
    165,797.36x = 228,797.16 × 90,344.24
  4. Step 4: Simplify right side
    165,797.36x = 20,670,505,534.36
  5. Step 5: Solve for x
    x = 20,670,505,534.36/165,797.36
  6. Step 6: Final answer
    x = 124,673.31

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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.