Home / 146,491.42-219,664.43-46,638.61

Finding the Fourth Proportional to 146,491.42, 219,664.43 and 46,638.61

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Solution

The fourth proportional to 146,491.42, 219,664.43 and 46,638.61 is: 69,934.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,491.42 : 219,664.43 = 46,638.61 : x
  2. Step 2: Convert to fraction form
    146,491.42/219,664.43 = 46,638.61/x
  3. Step 3: Cross multiply
    146,491.42x = 219,664.43 × 46,638.61
  4. Step 4: Simplify right side
    146,491.42x = 10,244,843,448.45
  5. Step 5: Solve for x
    x = 10,244,843,448.45/146,491.42
  6. Step 6: Final answer
    x = 69,934.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.