Home / 102,245.11-153,456.26-102,008.68

Finding the Fourth Proportional to 102,245.11, 153,456.26 and 102,008.68

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Solution

The fourth proportional to 102,245.11, 153,456.26 and 102,008.68 is: 153,101.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,245.11 : 153,456.26 = 102,008.68 : x
  2. Step 2: Convert to fraction form
    102,245.11/153,456.26 = 102,008.68/x
  3. Step 3: Cross multiply
    102,245.11x = 153,456.26 × 102,008.68
  4. Step 4: Simplify right side
    102,245.11x = 15,653,869,626.65
  5. Step 5: Solve for x
    x = 15,653,869,626.65/102,245.11
  6. Step 6: Final answer
    x = 153,101.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.