Home / 189,503.37-284,319.86-84,395.61

Finding the Fourth Proportional to 189,503.37, 284,319.86 and 84,395.61

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Solution

The fourth proportional to 189,503.37, 284,319.86 and 84,395.61 is: 126,622.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,503.37 : 284,319.86 = 84,395.61 : x
  2. Step 2: Convert to fraction form
    189,503.37/284,319.86 = 84,395.61/x
  3. Step 3: Cross multiply
    189,503.37x = 284,319.86 × 84,395.61
  4. Step 4: Simplify right side
    189,503.37x = 23,995,347,597.84
  5. Step 5: Solve for x
    x = 23,995,347,597.84/189,503.37
  6. Step 6: Final answer
    x = 126,622.27

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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.