Home / 357,122.67-492,836.72-195,968.31

Finding the Fourth Proportional to 357,122.67, 492,836.72 and 195,968.31

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Solution

The fourth proportional to 357,122.67, 492,836.72 and 195,968.31 is: 270,440.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,122.67 : 492,836.72 = 195,968.31 : x
  2. Step 2: Convert to fraction form
    357,122.67/492,836.72 = 195,968.31/x
  3. Step 3: Cross multiply
    357,122.67x = 492,836.72 × 195,968.31
  4. Step 4: Simplify right side
    357,122.67x = 96,580,378,144.50
  5. Step 5: Solve for x
    x = 96,580,378,144.50/357,122.67
  6. Step 6: Final answer
    x = 270,440.35

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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.