Home / 209,025.26-288,455.69-113,533.55

Finding the Fourth Proportional to 209,025.26, 288,455.69 and 113,533.55

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Solution

The fourth proportional to 209,025.26, 288,455.69 and 113,533.55 is: 156,676.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,025.26 : 288,455.69 = 113,533.55 : x
  2. Step 2: Convert to fraction form
    209,025.26/288,455.69 = 113,533.55/x
  3. Step 3: Cross multiply
    209,025.26x = 288,455.69 × 113,533.55
  4. Step 4: Simplify right side
    209,025.26x = 32,749,397,935.73
  5. Step 5: Solve for x
    x = 32,749,397,935.73/209,025.26
  6. Step 6: Final answer
    x = 156,676.75

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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.