Home / 175,189.38-262,579.07-80,428.71

Finding the Fourth Proportional to 175,189.38, 262,579.07 and 80,428.71

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Solution

The fourth proportional to 175,189.38, 262,579.07 and 80,428.71 is: 120,548.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,189.38 : 262,579.07 = 80,428.71 : x
  2. Step 2: Convert to fraction form
    175,189.38/262,579.07 = 80,428.71/x
  3. Step 3: Cross multiply
    175,189.38x = 262,579.07 × 80,428.71
  4. Step 4: Simplify right side
    175,189.38x = 21,118,895,470.96
  5. Step 5: Solve for x
    x = 21,118,895,470.96/175,189.38
  6. Step 6: Final answer
    x = 120,548.95

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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.