Home / 187,426.70-281,154.63-54,308.87

Finding the Fourth Proportional to 187,426.70, 281,154.63 and 54,308.87

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Solution

The fourth proportional to 187,426.70, 281,154.63 and 54,308.87 is: 81,467.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,426.70 : 281,154.63 = 54,308.87 : x
  2. Step 2: Convert to fraction form
    187,426.70/281,154.63 = 54,308.87/x
  3. Step 3: Cross multiply
    187,426.70x = 281,154.63 × 54,308.87
  4. Step 4: Simplify right side
    187,426.70x = 15,269,190,250.57
  5. Step 5: Solve for x
    x = 15,269,190,250.57/187,426.70
  6. Step 6: Final answer
    x = 81,467.53

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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.