Home / 189,827.11-284,819.26-83,155.96

Finding the Fourth Proportional to 189,827.11, 284,819.26 and 83,155.96

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Solution

The fourth proportional to 189,827.11, 284,819.26 and 83,155.96 is: 124,768.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,827.11 : 284,819.26 = 83,155.96 : x
  2. Step 2: Convert to fraction form
    189,827.11/284,819.26 = 83,155.96/x
  3. Step 3: Cross multiply
    189,827.11x = 284,819.26 × 83,155.96
  4. Step 4: Simplify right side
    189,827.11x = 23,684,418,991.79
  5. Step 5: Solve for x
    x = 23,684,418,991.79/189,827.11
  6. Step 6: Final answer
    x = 124,768.37

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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.