Home / 356,567.20-492,054.80-195,418.72

Finding the Fourth Proportional to 356,567.20, 492,054.80 and 195,418.72

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Solution

The fourth proportional to 356,567.20, 492,054.80 and 195,418.72 is: 269,673.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,567.20 : 492,054.80 = 195,418.72 : x
  2. Step 2: Convert to fraction form
    356,567.20/492,054.80 = 195,418.72/x
  3. Step 3: Cross multiply
    356,567.20x = 492,054.80 × 195,418.72
  4. Step 4: Simplify right side
    356,567.20x = 96,156,719,185.86
  5. Step 5: Solve for x
    x = 96,156,719,185.86/356,567.20
  6. Step 6: Final answer
    x = 269,673.48

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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.