Home / 209,606.62-289,255.40-114,113.12

Finding the Fourth Proportional to 209,606.62, 289,255.40 and 114,113.12

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Solution

The fourth proportional to 209,606.62, 289,255.40 and 114,113.12 is: 157,475.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,606.62 : 289,255.40 = 114,113.12 : x
  2. Step 2: Convert to fraction form
    209,606.62/289,255.40 = 114,113.12/x
  3. Step 3: Cross multiply
    209,606.62x = 289,255.40 × 114,113.12
  4. Step 4: Simplify right side
    209,606.62x = 33,007,836,170.85
  5. Step 5: Solve for x
    x = 33,007,836,170.85/209,606.62
  6. Step 6: Final answer
    x = 157,475.16

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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.