Home / 130,606.06-195,922.50-45,216.79

Finding the Fourth Proportional to 130,606.06, 195,922.50 and 45,216.79

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Solution

The fourth proportional to 130,606.06, 195,922.50 and 45,216.79 is: 67,829.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,606.06 : 195,922.50 = 45,216.79 : x
  2. Step 2: Convert to fraction form
    130,606.06/195,922.50 = 45,216.79/x
  3. Step 3: Cross multiply
    130,606.06x = 195,922.50 × 45,216.79
  4. Step 4: Simplify right side
    130,606.06x = 8,858,986,538.78
  5. Step 5: Solve for x
    x = 8,858,986,538.78/130,606.06
  6. Step 6: Final answer
    x = 67,829.83

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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.