Home / 357,115.45-492,817.87-195,973.19

Finding the Fourth Proportional to 357,115.45, 492,817.87 and 195,973.19

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Solution

The fourth proportional to 357,115.45, 492,817.87 and 195,973.19 is: 270,442.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,115.45 : 492,817.87 = 195,973.19 : x
  2. Step 2: Convert to fraction form
    357,115.45/492,817.87 = 195,973.19/x
  3. Step 3: Cross multiply
    357,115.45x = 492,817.87 × 195,973.19
  4. Step 4: Simplify right side
    357,115.45x = 96,579,089,701.85
  5. Step 5: Solve for x
    x = 96,579,089,701.85/357,115.45
  6. Step 6: Final answer
    x = 270,442.21

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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.