Home / 179,630.10-247,906.17-103,159.26

Finding the Fourth Proportional to 179,630.10, 247,906.17 and 103,159.26

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Solution

The fourth proportional to 179,630.10, 247,906.17 and 103,159.26 is: 142,369.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,630.10 : 247,906.17 = 103,159.26 : x
  2. Step 2: Convert to fraction form
    179,630.10/247,906.17 = 103,159.26/x
  3. Step 3: Cross multiply
    179,630.10x = 247,906.17 × 103,159.26
  4. Step 4: Simplify right side
    179,630.10x = 25,573,817,046.63
  5. Step 5: Solve for x
    x = 25,573,817,046.63/179,630.10
  6. Step 6: Final answer
    x = 142,369.33

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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.