Home / 357,107.20-492,783.82-195,972.58

Finding the Fourth Proportional to 357,107.20, 492,783.82 and 195,972.58

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Solution

The fourth proportional to 357,107.20, 492,783.82 and 195,972.58 is: 270,428.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,107.20 : 492,783.82 = 195,972.58 : x
  2. Step 2: Convert to fraction form
    357,107.20/492,783.82 = 195,972.58/x
  3. Step 3: Cross multiply
    357,107.20x = 492,783.82 × 195,972.58
  4. Step 4: Simplify right side
    357,107.20x = 96,572,116,587.66
  5. Step 5: Solve for x
    x = 96,572,116,587.66/357,107.20
  6. Step 6: Final answer
    x = 270,428.93

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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.