Home / 193,028.19-266,046.22-128,381.82

Finding the Fourth Proportional to 193,028.19, 266,046.22 and 128,381.82

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Solution

The fourth proportional to 193,028.19, 266,046.22 and 128,381.82 is: 176,945.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,028.19 : 266,046.22 = 128,381.82 : x
  2. Step 2: Convert to fraction form
    193,028.19/266,046.22 = 128,381.82/x
  3. Step 3: Cross multiply
    193,028.19x = 266,046.22 × 128,381.82
  4. Step 4: Simplify right side
    193,028.19x = 34,155,497,927.72
  5. Step 5: Solve for x
    x = 34,155,497,927.72/193,028.19
  6. Step 6: Final answer
    x = 176,945.65

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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.