Home / 189,156.83-283,144.73-135,758.48

Finding the Fourth Proportional to 189,156.83, 283,144.73 and 135,758.48

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Solution

The fourth proportional to 189,156.83, 283,144.73 and 135,758.48 is: 203,213.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,156.83 : 283,144.73 = 135,758.48 : x
  2. Step 2: Convert to fraction form
    189,156.83/283,144.73 = 135,758.48/x
  3. Step 3: Cross multiply
    189,156.83x = 283,144.73 × 135,758.48
  4. Step 4: Simplify right side
    189,156.83x = 38,439,296,070.29
  5. Step 5: Solve for x
    x = 38,439,296,070.29/189,156.83
  6. Step 6: Final answer
    x = 203,213.90

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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.