Home / 357,115.92-492,827.40-195,961.56

Finding the Fourth Proportional to 357,115.92, 492,827.40 and 195,961.56

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Solution

The fourth proportional to 357,115.92, 492,827.40 and 195,961.56 is: 270,431.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,115.92 : 492,827.40 = 195,961.56 : x
  2. Step 2: Convert to fraction form
    357,115.92/492,827.40 = 195,961.56/x
  3. Step 3: Cross multiply
    357,115.92x = 492,827.40 × 195,961.56
  4. Step 4: Simplify right side
    357,115.92x = 96,575,226,114.74
  5. Step 5: Solve for x
    x = 96,575,226,114.74/357,115.92
  6. Step 6: Final answer
    x = 270,431.03

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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.