Home / 189,559.38-261,649.86-116,984.46

Finding the Fourth Proportional to 189,559.38, 261,649.86 and 116,984.46

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Solution

The fourth proportional to 189,559.38, 261,649.86 and 116,984.46 is: 161,474.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,559.38 : 261,649.86 = 116,984.46 : x
  2. Step 2: Convert to fraction form
    189,559.38/261,649.86 = 116,984.46/x
  3. Step 3: Cross multiply
    189,559.38x = 261,649.86 × 116,984.46
  4. Step 4: Simplify right side
    189,559.38x = 30,608,967,581.18
  5. Step 5: Solve for x
    x = 30,608,967,581.18/189,559.38
  6. Step 6: Final answer
    x = 161,474.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.