Home / 189,370.96-284,056.11-110,429.83

Finding the Fourth Proportional to 189,370.96, 284,056.11 and 110,429.83

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Solution

The fourth proportional to 189,370.96, 284,056.11 and 110,429.83 is: 165,644.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,370.96 : 284,056.11 = 110,429.83 : x
  2. Step 2: Convert to fraction form
    189,370.96/284,056.11 = 110,429.83/x
  3. Step 3: Cross multiply
    189,370.96x = 284,056.11 × 110,429.83
  4. Step 4: Simplify right side
    189,370.96x = 31,368,267,385.61
  5. Step 5: Solve for x
    x = 31,368,267,385.61/189,370.96
  6. Step 6: Final answer
    x = 165,644.55

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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.