Home / 163,544.85-245,412.44-68,768.17

Finding the Fourth Proportional to 163,544.85, 245,412.44 and 68,768.17

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Solution

The fourth proportional to 163,544.85, 245,412.44 and 68,768.17 is: 103,192.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,544.85 : 245,412.44 = 68,768.17 : x
  2. Step 2: Convert to fraction form
    163,544.85/245,412.44 = 68,768.17/x
  3. Step 3: Cross multiply
    163,544.85x = 245,412.44 × 68,768.17
  4. Step 4: Simplify right side
    163,544.85x = 16,876,564,394.03
  5. Step 5: Solve for x
    x = 16,876,564,394.03/163,544.85
  6. Step 6: Final answer
    x = 103,192.27

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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.