Home / 179,339.95-247,479.64-102,855.09

Finding the Fourth Proportional to 179,339.95, 247,479.64 and 102,855.09

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Solution

The fourth proportional to 179,339.95, 247,479.64 and 102,855.09 is: 141,934.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,339.95 : 247,479.64 = 102,855.09 : x
  2. Step 2: Convert to fraction form
    179,339.95/247,479.64 = 102,855.09/x
  3. Step 3: Cross multiply
    179,339.95x = 247,479.64 × 102,855.09
  4. Step 4: Simplify right side
    179,339.95x = 25,454,540,645.37
  5. Step 5: Solve for x
    x = 25,454,540,645.37/179,339.95
  6. Step 6: Final answer
    x = 141,934.58

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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.