Home / 134,682.30-185,853.42-74,255.58

Finding the Fourth Proportional to 134,682.30, 185,853.42 and 74,255.58

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Solution

The fourth proportional to 134,682.30, 185,853.42 and 74,255.58 is: 102,468.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,682.30 : 185,853.42 = 74,255.58 : x
  2. Step 2: Convert to fraction form
    134,682.30/185,853.42 = 74,255.58/x
  3. Step 3: Cross multiply
    134,682.30x = 185,853.42 × 74,255.58
  4. Step 4: Simplify right side
    134,682.30x = 13,800,653,497.08
  5. Step 5: Solve for x
    x = 13,800,653,497.08/134,682.30
  6. Step 6: Final answer
    x = 102,468.20

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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.