Home / 189,829.30-284,787.15-110,902.90

Finding the Fourth Proportional to 189,829.30, 284,787.15 and 110,902.90

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Solution

The fourth proportional to 189,829.30, 284,787.15 and 110,902.90 is: 166,379.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,829.30 : 284,787.15 = 110,902.90 : x
  2. Step 2: Convert to fraction form
    189,829.30/284,787.15 = 110,902.90/x
  3. Step 3: Cross multiply
    189,829.30x = 284,787.15 × 110,902.90
  4. Step 4: Simplify right side
    189,829.30x = 31,583,720,817.74
  5. Step 5: Solve for x
    x = 31,583,720,817.74/189,829.30
  6. Step 6: Final answer
    x = 166,379.59

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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.