Home / 245,867.14-368,647.98-103,639.24

Finding the Fourth Proportional to 245,867.14, 368,647.98 and 103,639.24

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Solution

The fourth proportional to 245,867.14, 368,647.98 and 103,639.24 is: 155,394.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,867.14 : 368,647.98 = 103,639.24 : x
  2. Step 2: Convert to fraction form
    245,867.14/368,647.98 = 103,639.24/x
  3. Step 3: Cross multiply
    245,867.14x = 368,647.98 × 103,639.24
  4. Step 4: Simplify right side
    245,867.14x = 38,206,396,474.74
  5. Step 5: Solve for x
    x = 38,206,396,474.74/245,867.14
  6. Step 6: Final answer
    x = 155,394.48

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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.