Home / 187,852.74-259,198.47-111,338.10

Finding the Fourth Proportional to 187,852.74, 259,198.47 and 111,338.10

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Solution

The fourth proportional to 187,852.74, 259,198.47 and 111,338.10 is: 153,623.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,852.74 : 259,198.47 = 111,338.10 : x
  2. Step 2: Convert to fraction form
    187,852.74/259,198.47 = 111,338.10/x
  3. Step 3: Cross multiply
    187,852.74x = 259,198.47 × 111,338.10
  4. Step 4: Simplify right side
    187,852.74x = 28,858,665,172.71
  5. Step 5: Solve for x
    x = 28,858,665,172.71/187,852.74
  6. Step 6: Final answer
    x = 153,623.87

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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.