Home / 115,996.51-160,067.57-68,240.67

Finding the Fourth Proportional to 115,996.51, 160,067.57 and 68,240.67

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Solution

The fourth proportional to 115,996.51, 160,067.57 and 68,240.67 is: 94,167.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,996.51 : 160,067.57 = 68,240.67 : x
  2. Step 2: Convert to fraction form
    115,996.51/160,067.57 = 68,240.67/x
  3. Step 3: Cross multiply
    115,996.51x = 160,067.57 × 68,240.67
  4. Step 4: Simplify right side
    115,996.51x = 10,923,118,222.07
  5. Step 5: Solve for x
    x = 10,923,118,222.07/115,996.51
  6. Step 6: Final answer
    x = 94,167.65

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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.