Home / 209,644.28-289,305.36-114,149.24

Finding the Fourth Proportional to 209,644.28, 289,305.36 and 114,149.24

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Solution

The fourth proportional to 209,644.28, 289,305.36 and 114,149.24 is: 157,523.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,644.28 : 289,305.36 = 114,149.24 : x
  2. Step 2: Convert to fraction form
    209,644.28/289,305.36 = 114,149.24/x
  3. Step 3: Cross multiply
    209,644.28x = 289,305.36 × 114,149.24
  4. Step 4: Simplify right side
    209,644.28x = 33,023,986,971.93
  5. Step 5: Solve for x
    x = 33,023,986,971.93/209,644.28
  6. Step 6: Final answer
    x = 157,523.91

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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.