Home / 206,557.20-285,025.50-115,894.26

Finding the Fourth Proportional to 206,557.20, 285,025.50 and 115,894.26

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Solution

The fourth proportional to 206,557.20, 285,025.50 and 115,894.26 is: 159,920.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,557.20 : 285,025.50 = 115,894.26 : x
  2. Step 2: Convert to fraction form
    206,557.20/285,025.50 = 115,894.26/x
  3. Step 3: Cross multiply
    206,557.20x = 285,025.50 × 115,894.26
  4. Step 4: Simplify right side
    206,557.20x = 33,032,819,403.63
  5. Step 5: Solve for x
    x = 33,032,819,403.63/206,557.20
  6. Step 6: Final answer
    x = 159,920.93

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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.