Home / 189,213.12-283,835.64-48,974.40

Finding the Fourth Proportional to 189,213.12, 283,835.64 and 48,974.40

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Solution

The fourth proportional to 189,213.12, 283,835.64 and 48,974.40 is: 73,465.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,213.12 : 283,835.64 = 48,974.40 : x
  2. Step 2: Convert to fraction form
    189,213.12/283,835.64 = 48,974.40/x
  3. Step 3: Cross multiply
    189,213.12x = 283,835.64 × 48,974.40
  4. Step 4: Simplify right side
    189,213.12x = 13,900,680,167.62
  5. Step 5: Solve for x
    x = 13,900,680,167.62/189,213.12
  6. Step 6: Final answer
    x = 73,465.73

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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.