Home / 357,122.12-492,834.53-195,992.17

Finding the Fourth Proportional to 357,122.12, 492,834.53 and 195,992.17

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Solution

The fourth proportional to 357,122.12, 492,834.53 and 195,992.17 is: 270,472.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,122.12 : 492,834.53 = 195,992.17 : x
  2. Step 2: Convert to fraction form
    357,122.12/492,834.53 = 195,992.17/x
  3. Step 3: Cross multiply
    357,122.12x = 492,834.53 × 195,992.17
  4. Step 4: Simplify right side
    357,122.12x = 96,591,708,243.52
  5. Step 5: Solve for x
    x = 96,591,708,243.52/357,122.12
  6. Step 6: Final answer
    x = 270,472.49

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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.