Home / 188,237.52-259,693.68-107,621.76

Finding the Fourth Proportional to 188,237.52, 259,693.68 and 107,621.76

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Solution

The fourth proportional to 188,237.52, 259,693.68 and 107,621.76 is: 148,475.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,237.52 : 259,693.68 = 107,621.76 : x
  2. Step 2: Convert to fraction form
    188,237.52/259,693.68 = 107,621.76/x
  3. Step 3: Cross multiply
    188,237.52x = 259,693.68 × 107,621.76
  4. Step 4: Simplify right side
    188,237.52x = 27,948,690,902.48
  5. Step 5: Solve for x
    x = 27,948,690,902.48/188,237.52
  6. Step 6: Final answer
    x = 148,475.66

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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.