Home / 168,943.05-233,118.33-100,945.67

Finding the Fourth Proportional to 168,943.05, 233,118.33 and 100,945.67

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Solution

The fourth proportional to 168,943.05, 233,118.33 and 100,945.67 is: 139,291.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,943.05 : 233,118.33 = 100,945.67 : x
  2. Step 2: Convert to fraction form
    168,943.05/233,118.33 = 100,945.67/x
  3. Step 3: Cross multiply
    168,943.05x = 233,118.33 × 100,945.67
  4. Step 4: Simplify right side
    168,943.05x = 23,532,284,845.54
  5. Step 5: Solve for x
    x = 23,532,284,845.54/168,943.05
  6. Step 6: Final answer
    x = 139,291.23

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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.