Home / 126,268.84-189,354.04-47,340.04

Finding the Fourth Proportional to 126,268.84, 189,354.04 and 47,340.04

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Solution

The fourth proportional to 126,268.84, 189,354.04 and 47,340.04 is: 70,991.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,268.84 : 189,354.04 = 47,340.04 : x
  2. Step 2: Convert to fraction form
    126,268.84/189,354.04 = 47,340.04/x
  3. Step 3: Cross multiply
    126,268.84x = 189,354.04 × 47,340.04
  4. Step 4: Simplify right side
    126,268.84x = 8,964,027,827.76
  5. Step 5: Solve for x
    x = 8,964,027,827.76/126,268.84
  6. Step 6: Final answer
    x = 70,991.61

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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.