Home / 245,764.12-368,789.55-103,600.75

Finding the Fourth Proportional to 245,764.12, 368,789.55 and 103,600.75

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Solution

The fourth proportional to 245,764.12, 368,789.55 and 103,600.75 is: 155,461.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,764.12 : 368,789.55 = 103,600.75 : x
  2. Step 2: Convert to fraction form
    245,764.12/368,789.55 = 103,600.75/x
  3. Step 3: Cross multiply
    245,764.12x = 368,789.55 × 103,600.75
  4. Step 4: Simplify right side
    245,764.12x = 38,206,873,972.16
  5. Step 5: Solve for x
    x = 38,206,873,972.16/245,764.12
  6. Step 6: Final answer
    x = 155,461.56

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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.