Home / 356,828.85-492,430.59-195,674.31

Finding the Fourth Proportional to 356,828.85, 492,430.59 and 195,674.31

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Solution

The fourth proportional to 356,828.85, 492,430.59 and 195,674.31 is: 270,034.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,828.85 : 492,430.59 = 195,674.31 : x
  2. Step 2: Convert to fraction form
    356,828.85/492,430.59 = 195,674.31/x
  3. Step 3: Cross multiply
    356,828.85x = 492,430.59 × 195,674.31
  4. Step 4: Simplify right side
    356,828.85x = 96,356,015,921.14
  5. Step 5: Solve for x
    x = 96,356,015,921.14/356,828.85
  6. Step 6: Final answer
    x = 270,034.26

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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.