Home / 102,081.35-153,153.11-52,196.49

Finding the Fourth Proportional to 102,081.35, 153,153.11 and 52,196.49

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Solution

The fourth proportional to 102,081.35, 153,153.11 and 52,196.49 is: 78,310.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,081.35 : 153,153.11 = 52,196.49 : x
  2. Step 2: Convert to fraction form
    102,081.35/153,153.11 = 52,196.49/x
  3. Step 3: Cross multiply
    102,081.35x = 153,153.11 × 52,196.49
  4. Step 4: Simplify right side
    102,081.35x = 7,994,054,905.08
  5. Step 5: Solve for x
    x = 7,994,054,905.08/102,081.35
  6. Step 6: Final answer
    x = 78,310.63

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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.