Home / 209,090.03-288,544.55-113,596.70

Finding the Fourth Proportional to 209,090.03, 288,544.55 and 113,596.70

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Solution

The fourth proportional to 209,090.03, 288,544.55 and 113,596.70 is: 156,763.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,090.03 : 288,544.55 = 113,596.70 : x
  2. Step 2: Convert to fraction form
    209,090.03/288,544.55 = 113,596.70/x
  3. Step 3: Cross multiply
    209,090.03x = 288,544.55 × 113,596.70
  4. Step 4: Simplify right side
    209,090.03x = 32,777,706,672.28
  5. Step 5: Solve for x
    x = 32,777,706,672.28/209,090.03
  6. Step 6: Final answer
    x = 156,763.61

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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.