Home / 110,021.40-164,513.70-82,027.80

Finding the Fourth Proportional to 110,021.40, 164,513.70 and 82,027.80

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Solution

The fourth proportional to 110,021.40, 164,513.70 and 82,027.80 is: 122,655.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,021.40 : 164,513.70 = 82,027.80 : x
  2. Step 2: Convert to fraction form
    110,021.40/164,513.70 = 82,027.80/x
  3. Step 3: Cross multiply
    110,021.40x = 164,513.70 × 82,027.80
  4. Step 4: Simplify right side
    110,021.40x = 13,494,696,880.86
  5. Step 5: Solve for x
    x = 13,494,696,880.86/110,021.40
  6. Step 6: Final answer
    x = 122,655.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.