Home / 205,116.17-283,074.53-114,489.81

Finding the Fourth Proportional to 205,116.17, 283,074.53 and 114,489.81

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Solution

The fourth proportional to 205,116.17, 283,074.53 and 114,489.81 is: 158,003.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,116.17 : 283,074.53 = 114,489.81 : x
  2. Step 2: Convert to fraction form
    205,116.17/283,074.53 = 114,489.81/x
  3. Step 3: Cross multiply
    205,116.17x = 283,074.53 × 114,489.81
  4. Step 4: Simplify right side
    205,116.17x = 32,409,148,583.09
  5. Step 5: Solve for x
    x = 32,409,148,583.09/205,116.17
  6. Step 6: Final answer
    x = 158,003.87

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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.