Home / 243,727.26-336,390.12-163,295.03

Finding the Fourth Proportional to 243,727.26, 336,390.12 and 163,295.03

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Solution

The fourth proportional to 243,727.26, 336,390.12 and 163,295.03 is: 225,378.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,727.26 : 336,390.12 = 163,295.03 : x
  2. Step 2: Convert to fraction form
    243,727.26/336,390.12 = 163,295.03/x
  3. Step 3: Cross multiply
    243,727.26x = 336,390.12 × 163,295.03
  4. Step 4: Simplify right side
    243,727.26x = 54,930,833,055.15
  5. Step 5: Solve for x
    x = 54,930,833,055.15/243,727.26
  6. Step 6: Final answer
    x = 225,378.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.