Home / 187,911.29-281,866.94-162,535.39

Finding the Fourth Proportional to 187,911.29, 281,866.94 and 162,535.39

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Solution

The fourth proportional to 187,911.29, 281,866.94 and 162,535.39 is: 243,803.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,911.29 : 281,866.94 = 162,535.39 : x
  2. Step 2: Convert to fraction form
    187,911.29/281,866.94 = 162,535.39/x
  3. Step 3: Cross multiply
    187,911.29x = 281,866.94 × 162,535.39
  4. Step 4: Simplify right side
    187,911.29x = 45,813,353,021.01
  5. Step 5: Solve for x
    x = 45,813,353,021.01/187,911.29
  6. Step 6: Final answer
    x = 243,803.09

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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.