Home / 110,629.40-165,506.70-96,000.80

Finding the Fourth Proportional to 110,629.40, 165,506.70 and 96,000.80

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Solution

The fourth proportional to 110,629.40, 165,506.70 and 96,000.80 is: 143,621.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,629.40 : 165,506.70 = 96,000.80 : x
  2. Step 2: Convert to fraction form
    110,629.40/165,506.70 = 96,000.80/x
  3. Step 3: Cross multiply
    110,629.40x = 165,506.70 × 96,000.80
  4. Step 4: Simplify right side
    110,629.40x = 15,888,775,605.36
  5. Step 5: Solve for x
    x = 15,888,775,605.36/110,629.40
  6. Step 6: Final answer
    x = 143,621.64

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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.