Home / 134,626.78-185,776.62-74,194.06

Finding the Fourth Proportional to 134,626.78, 185,776.62 and 74,194.06

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Solution

The fourth proportional to 134,626.78, 185,776.62 and 74,194.06 is: 102,383.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,626.78 : 185,776.62 = 74,194.06 : x
  2. Step 2: Convert to fraction form
    134,626.78/185,776.62 = 74,194.06/x
  3. Step 3: Cross multiply
    134,626.78x = 185,776.62 × 74,194.06
  4. Step 4: Simplify right side
    134,626.78x = 13,783,521,690.88
  5. Step 5: Solve for x
    x = 13,783,521,690.88/134,626.78
  6. Step 6: Final answer
    x = 102,383.21

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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.