Home / 189,864.96-284,794.68-56,742.24

Finding the Fourth Proportional to 189,864.96, 284,794.68 and 56,742.24

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Solution

The fourth proportional to 189,864.96, 284,794.68 and 56,742.24 is: 85,112.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,864.96 : 284,794.68 = 56,742.24 : x
  2. Step 2: Convert to fraction form
    189,864.96/284,794.68 = 56,742.24/x
  3. Step 3: Cross multiply
    189,864.96x = 284,794.68 × 56,742.24
  4. Step 4: Simplify right side
    189,864.96x = 16,159,888,083.28
  5. Step 5: Solve for x
    x = 16,159,888,083.28/189,864.96
  6. Step 6: Final answer
    x = 85,112.54

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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.