Home / 205,770.15-283,946.61-115,119

Finding the Fourth Proportional to 205,770.15, 283,946.61 and 115,119

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Solution

The fourth proportional to 205,770.15, 283,946.61 and 115,119 is: 158,855.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,770.15 : 283,946.61 = 115,119 : x
  2. Step 2: Convert to fraction form
    205,770.15/283,946.61 = 115,119/x
  3. Step 3: Cross multiply
    205,770.15x = 283,946.61 × 115,119
  4. Step 4: Simplify right side
    205,770.15x = 32,687,649,796.59
  5. Step 5: Solve for x
    x = 32,687,649,796.59/205,770.15
  6. Step 6: Final answer
    x = 158,855.16

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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.