Home / 126,113.76-189,198.32-37,374.22

Finding the Fourth Proportional to 126,113.76, 189,198.32 and 37,374.22

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Solution

The fourth proportional to 126,113.76, 189,198.32 and 37,374.22 is: 56,069.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,113.76 : 189,198.32 = 37,374.22 : x
  2. Step 2: Convert to fraction form
    126,113.76/189,198.32 = 37,374.22/x
  3. Step 3: Cross multiply
    126,113.76x = 189,198.32 × 37,374.22
  4. Step 4: Simplify right side
    126,113.76x = 7,071,139,635.31
  5. Step 5: Solve for x
    x = 7,071,139,635.31/126,113.76
  6. Step 6: Final answer
    x = 56,069.53

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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.