Home / 192,379.08-288,677.34-103,630.44

Finding the Fourth Proportional to 192,379.08, 288,677.34 and 103,630.44

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Solution

The fourth proportional to 192,379.08, 288,677.34 and 103,630.44 is: 155,504.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,379.08 : 288,677.34 = 103,630.44 : x
  2. Step 2: Convert to fraction form
    192,379.08/288,677.34 = 103,630.44/x
  3. Step 3: Cross multiply
    192,379.08x = 288,677.34 × 103,630.44
  4. Step 4: Simplify right side
    192,379.08x = 29,915,759,762.23
  5. Step 5: Solve for x
    x = 29,915,759,762.23/192,379.08
  6. Step 6: Final answer
    x = 155,504.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.