Home / 209,607.62-289,256.78-114,114.12

Finding the Fourth Proportional to 209,607.62, 289,256.78 and 114,114.12

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Solution

The fourth proportional to 209,607.62, 289,256.78 and 114,114.12 is: 157,476.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,607.62 : 289,256.78 = 114,114.12 : x
  2. Step 2: Convert to fraction form
    209,607.62/289,256.78 = 114,114.12/x
  3. Step 3: Cross multiply
    209,607.62x = 289,256.78 × 114,114.12
  4. Step 4: Simplify right side
    209,607.62x = 33,008,282,903.73
  5. Step 5: Solve for x
    x = 33,008,282,903.73/209,607.62
  6. Step 6: Final answer
    x = 157,476.54

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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.