Home / 176,137.07-243,112.39-108,170.24

Finding the Fourth Proportional to 176,137.07, 243,112.39 and 108,170.24

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Solution

The fourth proportional to 176,137.07, 243,112.39 and 108,170.24 is: 149,301.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,137.07 : 243,112.39 = 108,170.24 : x
  2. Step 2: Convert to fraction form
    176,137.07/243,112.39 = 108,170.24/x
  3. Step 3: Cross multiply
    176,137.07x = 243,112.39 × 108,170.24
  4. Step 4: Simplify right side
    176,137.07x = 26,297,524,087.29
  5. Step 5: Solve for x
    x = 26,297,524,087.29/176,137.07
  6. Step 6: Final answer
    x = 149,301.48

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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.