Home / 223,234.70-308,067.18-121,262.14

Finding the Fourth Proportional to 223,234.70, 308,067.18 and 121,262.14

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Solution

The fourth proportional to 223,234.70, 308,067.18 and 121,262.14 is: 167,343.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,234.70 : 308,067.18 = 121,262.14 : x
  2. Step 2: Convert to fraction form
    223,234.70/308,067.18 = 121,262.14/x
  3. Step 3: Cross multiply
    223,234.70x = 308,067.18 × 121,262.14
  4. Step 4: Simplify right side
    223,234.70x = 37,356,885,510.57
  5. Step 5: Solve for x
    x = 37,356,885,510.57/223,234.70
  6. Step 6: Final answer
    x = 167,343.54

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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.