Home / 209,091.53-288,546.62-113,598.20

Finding the Fourth Proportional to 209,091.53, 288,546.62 and 113,598.20

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Solution

The fourth proportional to 209,091.53, 288,546.62 and 113,598.20 is: 156,765.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,091.53 : 288,546.62 = 113,598.20 : x
  2. Step 2: Convert to fraction form
    209,091.53/288,546.62 = 113,598.20/x
  3. Step 3: Cross multiply
    209,091.53x = 288,546.62 × 113,598.20
  4. Step 4: Simplify right side
    209,091.53x = 32,778,374,637.36
  5. Step 5: Solve for x
    x = 32,778,374,637.36/209,091.53
  6. Step 6: Final answer
    x = 156,765.68

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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.