Home / 126,269.09-189,348.21-47,327.96

Finding the Fourth Proportional to 126,269.09, 189,348.21 and 47,327.96

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Solution

The fourth proportional to 126,269.09, 189,348.21 and 47,327.96 is: 70,971.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,269.09 : 189,348.21 = 47,327.96 : x
  2. Step 2: Convert to fraction form
    126,269.09/189,348.21 = 47,327.96/x
  3. Step 3: Cross multiply
    126,269.09x = 189,348.21 × 47,327.96
  4. Step 4: Simplify right side
    126,269.09x = 8,961,464,508.95
  5. Step 5: Solve for x
    x = 8,961,464,508.95/126,269.09
  6. Step 6: Final answer
    x = 70,971.17

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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.