Home / 206,539.22-285,000.90-115,876.28

Finding the Fourth Proportional to 206,539.22, 285,000.90 and 115,876.28

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Solution

The fourth proportional to 206,539.22, 285,000.90 and 115,876.28 is: 159,896.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,539.22 : 285,000.90 = 115,876.28 : x
  2. Step 2: Convert to fraction form
    206,539.22/285,000.90 = 115,876.28/x
  3. Step 3: Cross multiply
    206,539.22x = 285,000.90 × 115,876.28
  4. Step 4: Simplify right side
    206,539.22x = 33,024,844,088.65
  5. Step 5: Solve for x
    x = 33,024,844,088.65/206,539.22
  6. Step 6: Final answer
    x = 159,896.24

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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.