Home / 187,955.61-281,928.72-54,837.05

Finding the Fourth Proportional to 187,955.61, 281,928.72 and 54,837.05

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Solution

The fourth proportional to 187,955.61, 281,928.72 and 54,837.05 is: 82,254.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,955.61 : 281,928.72 = 54,837.05 : x
  2. Step 2: Convert to fraction form
    187,955.61/281,928.72 = 54,837.05/x
  3. Step 3: Cross multiply
    187,955.61x = 281,928.72 × 54,837.05
  4. Step 4: Simplify right side
    187,955.61x = 15,460,137,905.43
  5. Step 5: Solve for x
    x = 15,460,137,905.43/187,955.61
  6. Step 6: Final answer
    x = 82,254.20

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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.