Home / 126,472.62-189,708.90-37,788.36

Finding the Fourth Proportional to 126,472.62, 189,708.90 and 37,788.36

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Solution

The fourth proportional to 126,472.62, 189,708.90 and 37,788.36 is: 56,682.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,472.62 : 189,708.90 = 37,788.36 : x
  2. Step 2: Convert to fraction form
    126,472.62/189,708.90 = 37,788.36/x
  3. Step 3: Cross multiply
    126,472.62x = 189,708.90 × 37,788.36
  4. Step 4: Simplify right side
    126,472.62x = 7,168,788,208.40
  5. Step 5: Solve for x
    x = 7,168,788,208.40/126,472.62
  6. Step 6: Final answer
    x = 56,682.53

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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.