Home / 189,071.62-283,607.43-129,727.37

Finding the Fourth Proportional to 189,071.62, 283,607.43 and 129,727.37

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Solution

The fourth proportional to 189,071.62, 283,607.43 and 129,727.37 is: 194,591.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,071.62 : 283,607.43 = 129,727.37 : x
  2. Step 2: Convert to fraction form
    189,071.62/283,607.43 = 129,727.37/x
  3. Step 3: Cross multiply
    189,071.62x = 283,607.43 × 129,727.37
  4. Step 4: Simplify right side
    189,071.62x = 36,791,646,228.90
  5. Step 5: Solve for x
    x = 36,791,646,228.90/189,071.62
  6. Step 6: Final answer
    x = 194,591.06

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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.