Home / 179,196.40-247,245.24-103,700.08

Finding the Fourth Proportional to 179,196.40, 247,245.24 and 103,700.08

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Solution

The fourth proportional to 179,196.40, 247,245.24 and 103,700.08 is: 143,079.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,196.40 : 247,245.24 = 103,700.08 : x
  2. Step 2: Convert to fraction form
    179,196.40/247,245.24 = 103,700.08/x
  3. Step 3: Cross multiply
    179,196.40x = 247,245.24 × 103,700.08
  4. Step 4: Simplify right side
    179,196.40x = 25,639,351,167.62
  5. Step 5: Solve for x
    x = 25,639,351,167.62/179,196.40
  6. Step 6: Final answer
    x = 143,079.61

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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.