Home / 209,076.47-288,525.87-113,583.25

Finding the Fourth Proportional to 209,076.47, 288,525.87 and 113,583.25

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Solution

The fourth proportional to 209,076.47, 288,525.87 and 113,583.25 is: 156,745.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,076.47 : 288,525.87 = 113,583.25 : x
  2. Step 2: Convert to fraction form
    209,076.47/288,525.87 = 113,583.25/x
  3. Step 3: Cross multiply
    209,076.47x = 288,525.87 × 113,583.25
  4. Step 4: Simplify right side
    209,076.47x = 32,771,706,023.68
  5. Step 5: Solve for x
    x = 32,771,706,023.68/209,076.47
  6. Step 6: Final answer
    x = 156,745.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.