Home / 179,780.88-248,197.06-108,178.50

Finding the Fourth Proportional to 179,780.88, 248,197.06 and 108,178.50

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Solution

The fourth proportional to 179,780.88, 248,197.06 and 108,178.50 is: 149,346.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,780.88 : 248,197.06 = 108,178.50 : x
  2. Step 2: Convert to fraction form
    179,780.88/248,197.06 = 108,178.50/x
  3. Step 3: Cross multiply
    179,780.88x = 248,197.06 × 108,178.50
  4. Step 4: Simplify right side
    179,780.88x = 26,849,585,655.21
  5. Step 5: Solve for x
    x = 26,849,585,655.21/179,780.88
  6. Step 6: Final answer
    x = 149,346.17

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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.