Home / 245,917.11-368,676.76-103,670.54

Finding the Fourth Proportional to 245,917.11, 368,676.76 and 103,670.54

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Solution

The fourth proportional to 245,917.11, 368,676.76 and 103,670.54 is: 155,421.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,917.11 : 368,676.76 = 103,670.54 : x
  2. Step 2: Convert to fraction form
    245,917.11/368,676.76 = 103,670.54/x
  3. Step 3: Cross multiply
    245,917.11x = 368,676.76 × 103,670.54
  4. Step 4: Simplify right side
    245,917.11x = 38,220,918,794.65
  5. Step 5: Solve for x
    x = 38,220,918,794.65/245,917.11
  6. Step 6: Final answer
    x = 155,421.96

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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.