Home / 357,109.89-492,821.85-195,975.58

Finding the Fourth Proportional to 357,109.89, 492,821.85 and 195,975.58

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Solution

The fourth proportional to 357,109.89, 492,821.85 and 195,975.58 is: 270,451.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,109.89 : 492,821.85 = 195,975.58 : x
  2. Step 2: Convert to fraction form
    357,109.89/492,821.85 = 195,975.58/x
  3. Step 3: Cross multiply
    357,109.89x = 492,821.85 × 195,975.58
  4. Step 4: Simplify right side
    357,109.89x = 96,581,045,426.31
  5. Step 5: Solve for x
    x = 96,581,045,426.31/357,109.89
  6. Step 6: Final answer
    x = 270,451.90

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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.