Home / 134,659.98-185,830.73-74,231.62

Finding the Fourth Proportional to 134,659.98, 185,830.73 and 74,231.62

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Solution

The fourth proportional to 134,659.98, 185,830.73 and 74,231.62 is: 102,439.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,659.98 : 185,830.73 = 74,231.62 : x
  2. Step 2: Convert to fraction form
    134,659.98/185,830.73 = 74,231.62/x
  3. Step 3: Cross multiply
    134,659.98x = 185,830.73 × 74,231.62
  4. Step 4: Simplify right side
    134,659.98x = 13,794,516,133.68
  5. Step 5: Solve for x
    x = 13,794,516,133.68/134,659.98
  6. Step 6: Final answer
    x = 102,439.61

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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.