Home / 126,115.76-189,174.32-37,370.03

Finding the Fourth Proportional to 126,115.76, 189,174.32 and 37,370.03

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Solution

The fourth proportional to 126,115.76, 189,174.32 and 37,370.03 is: 56,055.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,115.76 : 189,174.32 = 37,370.03 : x
  2. Step 2: Convert to fraction form
    126,115.76/189,174.32 = 37,370.03/x
  3. Step 3: Cross multiply
    126,115.76x = 189,174.32 × 37,370.03
  4. Step 4: Simplify right side
    126,115.76x = 7,069,449,826.78
  5. Step 5: Solve for x
    x = 7,069,449,826.78/126,115.76
  6. Step 6: Final answer
    x = 56,055.25

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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.