Home / 179,067.69-247,113.59-103,617.45

Finding the Fourth Proportional to 179,067.69, 247,113.59 and 103,617.45

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Solution

The fourth proportional to 179,067.69, 247,113.59 and 103,617.45 is: 142,992.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,067.69 : 247,113.59 = 103,617.45 : x
  2. Step 2: Convert to fraction form
    179,067.69/247,113.59 = 103,617.45/x
  3. Step 3: Cross multiply
    179,067.69x = 247,113.59 × 103,617.45
  4. Step 4: Simplify right side
    179,067.69x = 25,605,279,538.06
  5. Step 5: Solve for x
    x = 25,605,279,538.06/179,067.69
  6. Step 6: Final answer
    x = 142,992.18

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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.