Home / 168,879.21-233,030.29-100,881.75

Finding the Fourth Proportional to 168,879.21, 233,030.29 and 100,881.75

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Solution

The fourth proportional to 168,879.21, 233,030.29 and 100,881.75 is: 139,203.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,879.21 : 233,030.29 = 100,881.75 : x
  2. Step 2: Convert to fraction form
    168,879.21/233,030.29 = 100,881.75/x
  3. Step 3: Cross multiply
    168,879.21x = 233,030.29 × 100,881.75
  4. Step 4: Simplify right side
    168,879.21x = 23,508,503,584.31
  5. Step 5: Solve for x
    x = 23,508,503,584.31/168,879.21
  6. Step 6: Final answer
    x = 139,203.06

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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.