Home / 134,906.44-186,171.16-74,477.16

Finding the Fourth Proportional to 134,906.44, 186,171.16 and 74,477.16

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Solution

The fourth proportional to 134,906.44, 186,171.16 and 74,477.16 is: 102,778.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,906.44 : 186,171.16 = 74,477.16 : x
  2. Step 2: Convert to fraction form
    134,906.44/186,171.16 = 74,477.16/x
  3. Step 3: Cross multiply
    134,906.44x = 186,171.16 × 74,477.16
  4. Step 4: Simplify right side
    134,906.44x = 13,865,499,270.71
  5. Step 5: Solve for x
    x = 13,865,499,270.71/134,906.44
  6. Step 6: Final answer
    x = 102,778.63

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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.