Home / 199,037.40-298,556.10-86,771.40

Finding the Fourth Proportional to 199,037.40, 298,556.10 and 86,771.40

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Solution

The fourth proportional to 199,037.40, 298,556.10 and 86,771.40 is: 130,157.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,037.40 : 298,556.10 = 86,771.40 : x
  2. Step 2: Convert to fraction form
    199,037.40/298,556.10 = 86,771.40/x
  3. Step 3: Cross multiply
    199,037.40x = 298,556.10 × 86,771.40
  4. Step 4: Simplify right side
    199,037.40x = 25,906,130,775.54
  5. Step 5: Solve for x
    x = 25,906,130,775.54/199,037.40
  6. Step 6: Final answer
    x = 130,157.10

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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.