Home / 126,204.89-189,252.08-47,263.75

Finding the Fourth Proportional to 126,204.89, 189,252.08 and 47,263.75

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Solution

The fourth proportional to 126,204.89, 189,252.08 and 47,263.75 is: 70,874.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,204.89 : 189,252.08 = 47,263.75 : x
  2. Step 2: Convert to fraction form
    126,204.89/189,252.08 = 47,263.75/x
  3. Step 3: Cross multiply
    126,204.89x = 189,252.08 × 47,263.75
  4. Step 4: Simplify right side
    126,204.89x = 8,944,762,996.10
  5. Step 5: Solve for x
    x = 8,944,762,996.10/126,204.89
  6. Step 6: Final answer
    x = 70,874.93

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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.