Home / 189,336.45-284,063.61-56,217.41

Finding the Fourth Proportional to 189,336.45, 284,063.61 and 56,217.41

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Solution

The fourth proportional to 189,336.45, 284,063.61 and 56,217.41 is: 84,343.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,336.45 : 284,063.61 = 56,217.41 : x
  2. Step 2: Convert to fraction form
    189,336.45/284,063.61 = 56,217.41/x
  3. Step 3: Cross multiply
    189,336.45x = 284,063.61 × 56,217.41
  4. Step 4: Simplify right side
    189,336.45x = 15,969,319,009.13
  5. Step 5: Solve for x
    x = 15,969,319,009.13/189,336.45
  6. Step 6: Final answer
    x = 84,343.61

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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.