Home / 209,185.44-288,678.16-113,692.15

Finding the Fourth Proportional to 209,185.44, 288,678.16 and 113,692.15

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Solution

The fourth proportional to 209,185.44, 288,678.16 and 113,692.15 is: 156,896.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,185.44 : 288,678.16 = 113,692.15 : x
  2. Step 2: Convert to fraction form
    209,185.44/288,678.16 = 113,692.15/x
  3. Step 3: Cross multiply
    209,185.44x = 288,678.16 × 113,692.15
  4. Step 4: Simplify right side
    209,185.44x = 32,820,440,668.44
  5. Step 5: Solve for x
    x = 32,820,440,668.44/209,185.44
  6. Step 6: Final answer
    x = 156,896.39

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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.