Home / 105,945.30-146,204.91-58,199.58

Finding the Fourth Proportional to 105,945.30, 146,204.91 and 58,199.58

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Solution

The fourth proportional to 105,945.30, 146,204.91 and 58,199.58 is: 80,315.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,945.30 : 146,204.91 = 58,199.58 : x
  2. Step 2: Convert to fraction form
    105,945.30/146,204.91 = 58,199.58/x
  3. Step 3: Cross multiply
    105,945.30x = 146,204.91 × 58,199.58
  4. Step 4: Simplify right side
    105,945.30x = 8,509,064,355.94
  5. Step 5: Solve for x
    x = 8,509,064,355.94/105,945.30
  6. Step 6: Final answer
    x = 80,315.64

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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.