Home / 173,255.22-259,986.51-99,435.06

Finding the Fourth Proportional to 173,255.22, 259,986.51 and 99,435.06

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Solution

The fourth proportional to 173,255.22, 259,986.51 and 99,435.06 is: 149,212.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,255.22 : 259,986.51 = 99,435.06 : x
  2. Step 2: Convert to fraction form
    173,255.22/259,986.51 = 99,435.06/x
  3. Step 3: Cross multiply
    173,255.22x = 259,986.51 × 99,435.06
  4. Step 4: Simplify right side
    173,255.22x = 25,851,774,221.04
  5. Step 5: Solve for x
    x = 25,851,774,221.04/173,255.22
  6. Step 6: Final answer
    x = 149,212.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.