Home / 209,197.53-288,695.54-113,704.23

Finding the Fourth Proportional to 209,197.53, 288,695.54 and 113,704.23

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Solution

The fourth proportional to 209,197.53, 288,695.54 and 113,704.23 is: 156,913.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,197.53 : 288,695.54 = 113,704.23 : x
  2. Step 2: Convert to fraction form
    209,197.53/288,695.54 = 113,704.23/x
  3. Step 3: Cross multiply
    209,197.53x = 288,695.54 × 113,704.23
  4. Step 4: Simplify right side
    209,197.53x = 32,825,903,511.61
  5. Step 5: Solve for x
    x = 32,825,903,511.61/209,197.53
  6. Step 6: Final answer
    x = 156,913.44

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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.