Home / 126,113.73-189,138.30-37,346.49

Finding the Fourth Proportional to 126,113.73, 189,138.30 and 37,346.49

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Solution

The fourth proportional to 126,113.73, 189,138.30 and 37,346.49 is: 56,010.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,113.73 : 189,138.30 = 37,346.49 : x
  2. Step 2: Convert to fraction form
    126,113.73/189,138.30 = 37,346.49/x
  3. Step 3: Cross multiply
    126,113.73x = 189,138.30 × 37,346.49
  4. Step 4: Simplify right side
    126,113.73x = 7,063,651,629.57
  5. Step 5: Solve for x
    x = 7,063,651,629.57/126,113.73
  6. Step 6: Final answer
    x = 56,010.17

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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.