Home / 209,114.73-288,577.83-113,621.79

Finding the Fourth Proportional to 209,114.73, 288,577.83 and 113,621.79

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Solution

The fourth proportional to 209,114.73, 288,577.83 and 113,621.79 is: 156,797.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,114.73 : 288,577.83 = 113,621.79 : x
  2. Step 2: Convert to fraction form
    209,114.73/288,577.83 = 113,621.79/x
  3. Step 3: Cross multiply
    209,114.73x = 288,577.83 × 113,621.79
  4. Step 4: Simplify right side
    209,114.73x = 32,788,729,598.92
  5. Step 5: Solve for x
    x = 32,788,729,598.92/209,114.73
  6. Step 6: Final answer
    x = 156,797.80

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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.