Home / 209,645.44-289,306.56-114,153.28

Finding the Fourth Proportional to 209,645.44, 289,306.56 and 114,153.28

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Solution

The fourth proportional to 209,645.44, 289,306.56 and 114,153.28 is: 157,529.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,645.44 : 289,306.56 = 114,153.28 : x
  2. Step 2: Convert to fraction form
    209,645.44/289,306.56 = 114,153.28/x
  3. Step 3: Cross multiply
    209,645.44x = 289,306.56 × 114,153.28
  4. Step 4: Simplify right side
    209,645.44x = 33,025,292,749.52
  5. Step 5: Solve for x
    x = 33,025,292,749.52/209,645.44
  6. Step 6: Final answer
    x = 157,529.27

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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.