Home / 105,929.44-146,180.58-58,181.68

Finding the Fourth Proportional to 105,929.44, 146,180.58 and 58,181.68

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Solution

The fourth proportional to 105,929.44, 146,180.58 and 58,181.68 is: 80,289.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,929.44 : 146,180.58 = 58,181.68 : x
  2. Step 2: Convert to fraction form
    105,929.44/146,180.58 = 58,181.68/x
  3. Step 3: Cross multiply
    105,929.44x = 146,180.58 × 58,181.68
  4. Step 4: Simplify right side
    105,929.44x = 8,505,031,727.77
  5. Step 5: Solve for x
    x = 8,505,031,727.77/105,929.44
  6. Step 6: Final answer
    x = 80,289.59

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1.5x scale

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.