Home / 126,022.20-189,033.30-63,684.60

Finding the Fourth Proportional to 126,022.20, 189,033.30 and 63,684.60

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Solution

The fourth proportional to 126,022.20, 189,033.30 and 63,684.60 is: 95,526.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,022.20 : 189,033.30 = 63,684.60 : x
  2. Step 2: Convert to fraction form
    126,022.20/189,033.30 = 63,684.60/x
  3. Step 3: Cross multiply
    126,022.20x = 189,033.30 × 63,684.60
  4. Step 4: Simplify right side
    126,022.20x = 12,038,510,097.18
  5. Step 5: Solve for x
    x = 12,038,510,097.18/126,022.20
  6. Step 6: Final answer
    x = 95,526.90

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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.