Home / 198,383.59-297,577.82-58,145.05

Finding the Fourth Proportional to 198,383.59, 297,577.82 and 58,145.05

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Solution

The fourth proportional to 198,383.59, 297,577.82 and 58,145.05 is: 87,218.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,383.59 : 297,577.82 = 58,145.05 : x
  2. Step 2: Convert to fraction form
    198,383.59/297,577.82 = 58,145.05/x
  3. Step 3: Cross multiply
    198,383.59x = 297,577.82 × 58,145.05
  4. Step 4: Simplify right side
    198,383.59x = 17,302,677,222.79
  5. Step 5: Solve for x
    x = 17,302,677,222.79/198,383.59
  6. Step 6: Final answer
    x = 87,218.29

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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.