Home / 179,636.90-247,900.66-99,067.28

Finding the Fourth Proportional to 179,636.90, 247,900.66 and 99,067.28

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Solution

The fourth proportional to 179,636.90, 247,900.66 and 99,067.28 is: 136,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,636.90 : 247,900.66 = 99,067.28 : x
  2. Step 2: Convert to fraction form
    179,636.90/247,900.66 = 99,067.28/x
  3. Step 3: Cross multiply
    179,636.90x = 247,900.66 × 99,067.28
  4. Step 4: Simplify right side
    179,636.90x = 24,558,844,096.40
  5. Step 5: Solve for x
    x = 24,558,844,096.40/179,636.90
  6. Step 6: Final answer
    x = 136,713.80

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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.