Home / 163,679.30-245,578.91-68,933.33

Finding the Fourth Proportional to 163,679.30, 245,578.91 and 68,933.33

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Solution

The fourth proportional to 163,679.30, 245,578.91 and 68,933.33 is: 103,425.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,679.30 : 245,578.91 = 68,933.33 : x
  2. Step 2: Convert to fraction form
    163,679.30/245,578.91 = 68,933.33/x
  3. Step 3: Cross multiply
    163,679.30x = 245,578.91 × 68,933.33
  4. Step 4: Simplify right side
    163,679.30x = 16,928,572,044.07
  5. Step 5: Solve for x
    x = 16,928,572,044.07/163,679.30
  6. Step 6: Final answer
    x = 103,425.25

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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.