Home / 259,512.67-389,130.26-133,101.34

Finding the Fourth Proportional to 259,512.67, 389,130.26 and 133,101.34

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Solution

The fourth proportional to 259,512.67, 389,130.26 and 133,101.34 is: 199,580.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,512.67 : 389,130.26 = 133,101.34 : x
  2. Step 2: Convert to fraction form
    259,512.67/389,130.26 = 133,101.34/x
  3. Step 3: Cross multiply
    259,512.67x = 389,130.26 × 133,101.34
  4. Step 4: Simplify right side
    259,512.67x = 51,793,757,402.22
  5. Step 5: Solve for x
    x = 51,793,757,402.22/259,512.67
  6. Step 6: Final answer
    x = 199,580.84

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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.