Home / 198,324.18-297,544.59-79,934.58

Finding the Fourth Proportional to 198,324.18, 297,544.59 and 79,934.58

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Solution

The fourth proportional to 198,324.18, 297,544.59 and 79,934.58 is: 119,925.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,324.18 : 297,544.59 = 79,934.58 : x
  2. Step 2: Convert to fraction form
    198,324.18/297,544.59 = 79,934.58/x
  3. Step 3: Cross multiply
    198,324.18x = 297,544.59 × 79,934.58
  4. Step 4: Simplify right side
    198,324.18x = 23,784,101,832.92
  5. Step 5: Solve for x
    x = 23,784,101,832.92/198,324.18
  6. Step 6: Final answer
    x = 119,925.38

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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.