Home / 126,591.33-189,828.55-46,609.21

Finding the Fourth Proportional to 126,591.33, 189,828.55 and 46,609.21

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Solution

The fourth proportional to 126,591.33, 189,828.55 and 46,609.21 is: 69,892.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,591.33 : 189,828.55 = 46,609.21 : x
  2. Step 2: Convert to fraction form
    126,591.33/189,828.55 = 46,609.21/x
  3. Step 3: Cross multiply
    126,591.33x = 189,828.55 × 46,609.21
  4. Step 4: Simplify right side
    126,591.33x = 8,847,758,750.95
  5. Step 5: Solve for x
    x = 8,847,758,750.95/126,591.33
  6. Step 6: Final answer
    x = 69,892.30

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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.