Home / 134,626.82-185,777.45-74,197.28

Finding the Fourth Proportional to 134,626.82, 185,777.45 and 74,197.28

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Solution

The fourth proportional to 134,626.82, 185,777.45 and 74,197.28 is: 102,388.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,626.82 : 185,777.45 = 74,197.28 : x
  2. Step 2: Convert to fraction form
    134,626.82/185,777.45 = 74,197.28/x
  3. Step 3: Cross multiply
    134,626.82x = 185,777.45 × 74,197.28
  4. Step 4: Simplify right side
    134,626.82x = 13,784,181,104.35
  5. Step 5: Solve for x
    x = 13,784,181,104.35/134,626.82
  6. Step 6: Final answer
    x = 102,388.08

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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.