Home / 189,431.81-284,194.48-56,311.49

Finding the Fourth Proportional to 189,431.81, 284,194.48 and 56,311.49

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Solution

The fourth proportional to 189,431.81, 284,194.48 and 56,311.49 is: 84,481.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,431.81 : 284,194.48 = 56,311.49 : x
  2. Step 2: Convert to fraction form
    189,431.81/284,194.48 = 56,311.49/x
  3. Step 3: Cross multiply
    189,431.81x = 284,194.48 × 56,311.49
  4. Step 4: Simplify right side
    189,431.81x = 16,003,414,618.58
  5. Step 5: Solve for x
    x = 16,003,414,618.58/189,431.81
  6. Step 6: Final answer
    x = 84,481.14

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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.