Home / 149,195.36-205,820.06-88,732.08

Finding the Fourth Proportional to 149,195.36, 205,820.06 and 88,732.08

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Solution

The fourth proportional to 149,195.36, 205,820.06 and 88,732.08 is: 122,408.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,195.36 : 205,820.06 = 88,732.08 : x
  2. Step 2: Convert to fraction form
    149,195.36/205,820.06 = 88,732.08/x
  3. Step 3: Cross multiply
    149,195.36x = 205,820.06 × 88,732.08
  4. Step 4: Simplify right side
    149,195.36x = 18,262,842,029.52
  5. Step 5: Solve for x
    x = 18,262,842,029.52/149,195.36
  6. Step 6: Final answer
    x = 122,408.91

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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.