Home / 165,361.23-228,198.20-89,909.55

Finding the Fourth Proportional to 165,361.23, 228,198.20 and 89,909.55

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Solution

The fourth proportional to 165,361.23, 228,198.20 and 89,909.55 is: 124,075.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,361.23 : 228,198.20 = 89,909.55 : x
  2. Step 2: Convert to fraction form
    165,361.23/228,198.20 = 89,909.55/x
  3. Step 3: Cross multiply
    165,361.23x = 228,198.20 × 89,909.55
  4. Step 4: Simplify right side
    165,361.23x = 20,517,197,023.26
  5. Step 5: Solve for x
    x = 20,517,197,023.26/165,361.23
  6. Step 6: Final answer
    x = 124,075.01

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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.