Home / 102,083.08-153,155.70-52,198.22

Finding the Fourth Proportional to 102,083.08, 153,155.70 and 52,198.22

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Solution

The fourth proportional to 102,083.08, 153,155.70 and 52,198.22 is: 78,313.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,083.08 : 153,155.70 = 52,198.22 : x
  2. Step 2: Convert to fraction form
    102,083.08/153,155.70 = 52,198.22/x
  3. Step 3: Cross multiply
    102,083.08x = 153,155.70 × 52,198.22
  4. Step 4: Simplify right side
    102,083.08x = 7,994,454,922.85
  5. Step 5: Solve for x
    x = 7,994,454,922.85/102,083.08
  6. Step 6: Final answer
    x = 78,313.22

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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.