Home / 209,185.56-288,678.33-113,692.28

Finding the Fourth Proportional to 209,185.56, 288,678.33 and 113,692.28

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Solution

The fourth proportional to 209,185.56, 288,678.33 and 113,692.28 is: 156,896.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,185.56 : 288,678.33 = 113,692.28 : x
  2. Step 2: Convert to fraction form
    209,185.56/288,678.33 = 113,692.28/x
  3. Step 3: Cross multiply
    209,185.56x = 288,678.33 × 113,692.28
  4. Step 4: Simplify right side
    209,185.56x = 32,820,496,080.90
  5. Step 5: Solve for x
    x = 32,820,496,080.90/209,185.56
  6. Step 6: Final answer
    x = 156,896.57

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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.