Home / 208,745.54-288,069.39-113,252.23

Finding the Fourth Proportional to 208,745.54, 288,069.39 and 113,252.23

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Solution

The fourth proportional to 208,745.54, 288,069.39 and 113,252.23 is: 156,288.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,745.54 : 288,069.39 = 113,252.23 : x
  2. Step 2: Convert to fraction form
    208,745.54/288,069.39 = 113,252.23/x
  3. Step 3: Cross multiply
    208,745.54x = 288,069.39 × 113,252.23
  4. Step 4: Simplify right side
    208,745.54x = 32,624,500,812.24
  5. Step 5: Solve for x
    x = 32,624,500,812.24/208,745.54
  6. Step 6: Final answer
    x = 156,288.37

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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.