Home / 357,115.16-492,824.94-195,985.20

Finding the Fourth Proportional to 357,115.16, 492,824.94 and 195,985.20

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Solution

The fourth proportional to 357,115.16, 492,824.94 and 195,985.20 is: 270,462.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,115.16 : 492,824.94 = 195,985.20 : x
  2. Step 2: Convert to fraction form
    357,115.16/492,824.94 = 195,985.20/x
  3. Step 3: Cross multiply
    357,115.16x = 492,824.94 × 195,985.20
  4. Step 4: Simplify right side
    357,115.16x = 96,586,394,430.89
  5. Step 5: Solve for x
    x = 96,586,394,430.89/357,115.16
  6. Step 6: Final answer
    x = 270,462.88

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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.