Home / 245,765.12-368,791.05-103,601.75

Finding the Fourth Proportional to 245,765.12, 368,791.05 and 103,601.75

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Solution

The fourth proportional to 245,765.12, 368,791.05 and 103,601.75 is: 155,463.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,765.12 : 368,791.05 = 103,601.75 : x
  2. Step 2: Convert to fraction form
    245,765.12/368,791.05 = 103,601.75/x
  3. Step 3: Cross multiply
    245,765.12x = 368,791.05 × 103,601.75
  4. Step 4: Simplify right side
    245,765.12x = 38,207,398,164.34
  5. Step 5: Solve for x
    x = 38,207,398,164.34/245,765.12
  6. Step 6: Final answer
    x = 155,463.06

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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.