Home / 179,664.66-247,948.56-103,207.68

Finding the Fourth Proportional to 179,664.66, 247,948.56 and 103,207.68

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Solution

The fourth proportional to 179,664.66, 247,948.56 and 103,207.68 is: 142,433.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,664.66 : 247,948.56 = 103,207.68 : x
  2. Step 2: Convert to fraction form
    179,664.66/247,948.56 = 103,207.68/x
  3. Step 3: Cross multiply
    179,664.66x = 247,948.56 × 103,207.68
  4. Step 4: Simplify right side
    179,664.66x = 25,590,195,636.94
  5. Step 5: Solve for x
    x = 25,590,195,636.94/179,664.66
  6. Step 6: Final answer
    x = 142,433.11

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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.