Home / 199,320.14-275,063.94-108,675.36

Finding the Fourth Proportional to 199,320.14, 275,063.94 and 108,675.36

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Solution

The fourth proportional to 199,320.14, 275,063.94 and 108,675.36 is: 149,973.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,320.14 : 275,063.94 = 108,675.36 : x
  2. Step 2: Convert to fraction form
    199,320.14/275,063.94 = 108,675.36/x
  3. Step 3: Cross multiply
    199,320.14x = 275,063.94 × 108,675.36
  4. Step 4: Simplify right side
    199,320.14x = 29,892,672,702.52
  5. Step 5: Solve for x
    x = 29,892,672,702.52/199,320.14
  6. Step 6: Final answer
    x = 149,973.17

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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.