Home / 356,776.34-492,351.48-195,628.05

Finding the Fourth Proportional to 356,776.34, 492,351.48 and 195,628.05

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Solution

The fourth proportional to 356,776.34, 492,351.48 and 195,628.05 is: 269,966.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,776.34 : 492,351.48 = 195,628.05 : x
  2. Step 2: Convert to fraction form
    356,776.34/492,351.48 = 195,628.05/x
  3. Step 3: Cross multiply
    356,776.34x = 492,351.48 × 195,628.05
  4. Step 4: Simplify right side
    356,776.34x = 96,317,759,947.01
  5. Step 5: Solve for x
    x = 96,317,759,947.01/356,776.34
  6. Step 6: Final answer
    x = 269,966.78

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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.