Home / 356,828.55-492,424.07-195,684.78

Finding the Fourth Proportional to 356,828.55, 492,424.07 and 195,684.78

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Solution

The fourth proportional to 356,828.55, 492,424.07 and 195,684.78 is: 270,045.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,828.55 : 492,424.07 = 195,684.78 : x
  2. Step 2: Convert to fraction form
    356,828.55/492,424.07 = 195,684.78/x
  3. Step 3: Cross multiply
    356,828.55x = 492,424.07 × 195,684.78
  4. Step 4: Simplify right side
    356,828.55x = 96,359,895,804.65
  5. Step 5: Solve for x
    x = 96,359,895,804.65/356,828.55
  6. Step 6: Final answer
    x = 270,045.36

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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.