Home / 206,680.48-285,224.30-116,043.51

Finding the Fourth Proportional to 206,680.48, 285,224.30 and 116,043.51

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Solution

The fourth proportional to 206,680.48, 285,224.30 and 116,043.51 is: 160,142.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,680.48 : 285,224.30 = 116,043.51 : x
  2. Step 2: Convert to fraction form
    206,680.48/285,224.30 = 116,043.51/x
  3. Step 3: Cross multiply
    206,680.48x = 285,224.30 × 116,043.51
  4. Step 4: Simplify right side
    206,680.48x = 33,098,428,909.29
  5. Step 5: Solve for x
    x = 33,098,428,909.29/206,680.48
  6. Step 6: Final answer
    x = 160,142.98

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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.