Home / 106,185.60-146,540.40-58,442.56

Finding the Fourth Proportional to 106,185.60, 146,540.40 and 58,442.56

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Solution

The fourth proportional to 106,185.60, 146,540.40 and 58,442.56 is: 80,653.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,185.60 : 146,540.40 = 58,442.56 : x
  2. Step 2: Convert to fraction form
    106,185.60/146,540.40 = 58,442.56/x
  3. Step 3: Cross multiply
    106,185.60x = 146,540.40 × 58,442.56
  4. Step 4: Simplify right side
    106,185.60x = 8,564,196,119.42
  5. Step 5: Solve for x
    x = 8,564,196,119.42/106,185.60
  6. Step 6: Final answer
    x = 80,653.08

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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.