Home / 165,276.84-228,080.97-89,825.34

Finding the Fourth Proportional to 165,276.84, 228,080.97 and 89,825.34

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Solution

The fourth proportional to 165,276.84, 228,080.97 and 89,825.34 is: 123,958.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,276.84 : 228,080.97 = 89,825.34 : x
  2. Step 2: Convert to fraction form
    165,276.84/228,080.97 = 89,825.34/x
  3. Step 3: Cross multiply
    165,276.84x = 228,080.97 × 89,825.34
  4. Step 4: Simplify right side
    165,276.84x = 20,487,450,677.78
  5. Step 5: Solve for x
    x = 20,487,450,677.78/165,276.84
  6. Step 6: Final answer
    x = 123,958.39

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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.