Home / 206,840.31-285,440.73-116,200.11

Finding the Fourth Proportional to 206,840.31, 285,440.73 and 116,200.11

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Solution

The fourth proportional to 206,840.31, 285,440.73 and 116,200.11 is: 160,356.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,840.31 : 285,440.73 = 116,200.11 : x
  2. Step 2: Convert to fraction form
    206,840.31/285,440.73 = 116,200.11/x
  3. Step 3: Cross multiply
    206,840.31x = 285,440.73 × 116,200.11
  4. Step 4: Simplify right side
    206,840.31x = 33,168,244,224.48
  5. Step 5: Solve for x
    x = 33,168,244,224.48/206,840.31
  6. Step 6: Final answer
    x = 160,356.77

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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.