Home / 187,563.72-281,373.27-54,426.69

Finding the Fourth Proportional to 187,563.72, 281,373.27 and 54,426.69

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Solution

The fourth proportional to 187,563.72, 281,373.27 and 54,426.69 is: 81,648.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,563.72 : 281,373.27 = 54,426.69 : x
  2. Step 2: Convert to fraction form
    187,563.72/281,373.27 = 54,426.69/x
  3. Step 3: Cross multiply
    187,563.72x = 281,373.27 × 54,426.69
  4. Step 4: Simplify right side
    187,563.72x = 15,314,215,740.58
  5. Step 5: Solve for x
    x = 15,314,215,740.58/187,563.72
  6. Step 6: Final answer
    x = 81,648.07

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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.