Home / 209,069.82-288,516.60-113,576.58

Finding the Fourth Proportional to 209,069.82, 288,516.60 and 113,576.58

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Solution

The fourth proportional to 209,069.82, 288,516.60 and 113,576.58 is: 156,735.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,069.82 : 288,516.60 = 113,576.58 : x
  2. Step 2: Convert to fraction form
    209,069.82/288,516.60 = 113,576.58/x
  3. Step 3: Cross multiply
    209,069.82x = 288,516.60 × 113,576.58
  4. Step 4: Simplify right side
    209,069.82x = 32,768,728,701.23
  5. Step 5: Solve for x
    x = 32,768,728,701.23/209,069.82
  6. Step 6: Final answer
    x = 156,735.82

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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.