Home / 209,591.67-289,236.47-114,098.34

Finding the Fourth Proportional to 209,591.67, 289,236.47 and 114,098.34

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Solution

The fourth proportional to 209,591.67, 289,236.47 and 114,098.34 is: 157,455.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,591.67 : 289,236.47 = 114,098.34 : x
  2. Step 2: Convert to fraction form
    209,591.67/289,236.47 = 114,098.34/x
  3. Step 3: Cross multiply
    209,591.67x = 289,236.47 × 114,098.34
  4. Step 4: Simplify right side
    209,591.67x = 33,001,400,523.97
  5. Step 5: Solve for x
    x = 33,001,400,523.97/209,591.67
  6. Step 6: Final answer
    x = 157,455.69

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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.