Home / 198,142.88-297,151.94-64,992.17

Finding the Fourth Proportional to 198,142.88, 297,151.94 and 64,992.17

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Solution

The fourth proportional to 198,142.88, 297,151.94 and 64,992.17 is: 97,467.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,142.88 : 297,151.94 = 64,992.17 : x
  2. Step 2: Convert to fraction form
    198,142.88/297,151.94 = 64,992.17/x
  3. Step 3: Cross multiply
    198,142.88x = 297,151.94 × 64,992.17
  4. Step 4: Simplify right side
    198,142.88x = 19,312,550,305.67
  5. Step 5: Solve for x
    x = 19,312,550,305.67/198,142.88
  6. Step 6: Final answer
    x = 97,467.80

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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.