Home / 189,669.46-284,518.71-56,539.54

Finding the Fourth Proportional to 189,669.46, 284,518.71 and 56,539.54

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Solution

The fourth proportional to 189,669.46, 284,518.71 and 56,539.54 is: 84,813.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,669.46 : 284,518.71 = 56,539.54 : x
  2. Step 2: Convert to fraction form
    189,669.46/284,518.71 = 56,539.54/x
  3. Step 3: Cross multiply
    189,669.46x = 284,518.71 × 56,539.54
  4. Step 4: Simplify right side
    189,669.46x = 16,086,556,984.79
  5. Step 5: Solve for x
    x = 16,086,556,984.79/189,669.46
  6. Step 6: Final answer
    x = 84,813.64

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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.