Home / 209,185.57-288,676.12-113,692.27

Finding the Fourth Proportional to 209,185.57, 288,676.12 and 113,692.27

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Solution

The fourth proportional to 209,185.57, 288,676.12 and 113,692.27 is: 156,895.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,185.57 : 288,676.12 = 113,692.27 : x
  2. Step 2: Convert to fraction form
    209,185.57/288,676.12 = 113,692.27/x
  3. Step 3: Cross multiply
    209,185.57x = 288,676.12 × 113,692.27
  4. Step 4: Simplify right side
    209,185.57x = 32,820,242,371.67
  5. Step 5: Solve for x
    x = 32,820,242,371.67/209,185.57
  6. Step 6: Final answer
    x = 156,895.35

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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.