Home / 197,212.52-272,153.26-107,788.52

Finding the Fourth Proportional to 197,212.52, 272,153.26 and 107,788.52

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Solution

The fourth proportional to 197,212.52, 272,153.26 and 107,788.52 is: 148,748.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,212.52 : 272,153.26 = 107,788.52 : x
  2. Step 2: Convert to fraction form
    197,212.52/272,153.26 = 107,788.52/x
  3. Step 3: Cross multiply
    197,212.52x = 272,153.26 × 107,788.52
  4. Step 4: Simplify right side
    197,212.52x = 29,334,997,108.58
  5. Step 5: Solve for x
    x = 29,334,997,108.58/197,212.52
  6. Step 6: Final answer
    x = 148,748.15

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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.