Home / 189,070.38-283,716.30-104,900.96

Finding the Fourth Proportional to 189,070.38, 283,716.30 and 104,900.96

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Solution

The fourth proportional to 189,070.38, 283,716.30 and 104,900.96 is: 157,412.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,070.38 : 283,716.30 = 104,900.96 : x
  2. Step 2: Convert to fraction form
    189,070.38/283,716.30 = 104,900.96/x
  3. Step 3: Cross multiply
    189,070.38x = 283,716.30 × 104,900.96
  4. Step 4: Simplify right side
    189,070.38x = 29,762,110,819.07
  5. Step 5: Solve for x
    x = 29,762,110,819.07/189,070.38
  6. Step 6: Final answer
    x = 157,412.87

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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.