Home / 206,549.20-285,014.46-115,886.26

Finding the Fourth Proportional to 206,549.20, 285,014.46 and 115,886.26

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Solution

The fourth proportional to 206,549.20, 285,014.46 and 115,886.26 is: 159,909.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,549.20 : 285,014.46 = 115,886.26 : x
  2. Step 2: Convert to fraction form
    206,549.20/285,014.46 = 115,886.26/x
  3. Step 3: Cross multiply
    206,549.20x = 285,014.46 × 115,886.26
  4. Step 4: Simplify right side
    206,549.20x = 33,029,259,815.32
  5. Step 5: Solve for x
    x = 33,029,259,815.32/206,549.20
  6. Step 6: Final answer
    x = 159,909.89

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1.5x scale

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.