Home / 198,569.88-274,028.06-107,925.87

Finding the Fourth Proportional to 198,569.88, 274,028.06 and 107,925.87

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Solution

The fourth proportional to 198,569.88, 274,028.06 and 107,925.87 is: 148,938.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,569.88 : 274,028.06 = 107,925.87 : x
  2. Step 2: Convert to fraction form
    198,569.88/274,028.06 = 107,925.87/x
  3. Step 3: Cross multiply
    198,569.88x = 274,028.06 × 107,925.87
  4. Step 4: Simplify right side
    198,569.88x = 29,574,716,535.92
  5. Step 5: Solve for x
    x = 29,574,716,535.92/198,569.88
  6. Step 6: Final answer
    x = 148,938.58

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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.