Home / 187,269.36-280,882.16-74,945.04

Finding the Fourth Proportional to 187,269.36, 280,882.16 and 74,945.04

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Solution

The fourth proportional to 187,269.36, 280,882.16 and 74,945.04 is: 112,408.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,269.36 : 280,882.16 = 74,945.04 : x
  2. Step 2: Convert to fraction form
    187,269.36/280,882.16 = 74,945.04/x
  3. Step 3: Cross multiply
    187,269.36x = 280,882.16 × 74,945.04
  4. Step 4: Simplify right side
    187,269.36x = 21,050,724,716.49
  5. Step 5: Solve for x
    x = 21,050,724,716.49/187,269.36
  6. Step 6: Final answer
    x = 112,408.80

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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.