Home / 189,063.16-283,712.97-76,743.34

Finding the Fourth Proportional to 189,063.16, 283,712.97 and 76,743.34

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Solution

The fourth proportional to 189,063.16, 283,712.97 and 76,743.34 is: 115,163.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,063.16 : 283,712.97 = 76,743.34 : x
  2. Step 2: Convert to fraction form
    189,063.16/283,712.97 = 76,743.34/x
  3. Step 3: Cross multiply
    189,063.16x = 283,712.97 × 76,743.34
  4. Step 4: Simplify right side
    189,063.16x = 21,773,080,919.12
  5. Step 5: Solve for x
    x = 21,773,080,919.12/189,063.16
  6. Step 6: Final answer
    x = 115,163.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.