Home / 105,945.25-146,204.45-58,199.40

Finding the Fourth Proportional to 105,945.25, 146,204.45 and 58,199.40

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Solution

The fourth proportional to 105,945.25, 146,204.45 and 58,199.40 is: 80,315.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,945.25 : 146,204.45 = 58,199.40 : x
  2. Step 2: Convert to fraction form
    105,945.25/146,204.45 = 58,199.40/x
  3. Step 3: Cross multiply
    105,945.25x = 146,204.45 × 58,199.40
  4. Step 4: Simplify right side
    105,945.25x = 8,509,010,245.31
  5. Step 5: Solve for x
    x = 8,509,010,245.31/105,945.25
  6. Step 6: Final answer
    x = 80,315.17

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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.