Home / 110,817.10-166,055.55-82,604.80

Finding the Fourth Proportional to 110,817.10, 166,055.55 and 82,604.80

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Solution

The fourth proportional to 110,817.10, 166,055.55 and 82,604.80 is: 123,780.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,817.10 : 166,055.55 = 82,604.80 : x
  2. Step 2: Convert to fraction form
    110,817.10/166,055.55 = 82,604.80/x
  3. Step 3: Cross multiply
    110,817.10x = 166,055.55 × 82,604.80
  4. Step 4: Simplify right side
    110,817.10x = 13,716,985,496.64
  5. Step 5: Solve for x
    x = 13,716,985,496.64/110,817.10
  6. Step 6: Final answer
    x = 123,780.40

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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.