Home / 205,766.42-283,968.67-115,116.98

Finding the Fourth Proportional to 205,766.42, 283,968.67 and 115,116.98

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Solution

The fourth proportional to 205,766.42, 283,968.67 and 115,116.98 is: 158,867.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,766.42 : 283,968.67 = 115,116.98 : x
  2. Step 2: Convert to fraction form
    205,766.42/283,968.67 = 115,116.98/x
  3. Step 3: Cross multiply
    205,766.42x = 283,968.67 × 115,116.98
  4. Step 4: Simplify right side
    205,766.42x = 32,689,615,705.02
  5. Step 5: Solve for x
    x = 32,689,615,705.02/205,766.42
  6. Step 6: Final answer
    x = 158,867.59

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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.