Home / 187,722.50-281,583.54-75,402.72

Finding the Fourth Proportional to 187,722.50, 281,583.54 and 75,402.72

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Solution

The fourth proportional to 187,722.50, 281,583.54 and 75,402.72 is: 113,104.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,722.50 : 281,583.54 = 75,402.72 : x
  2. Step 2: Convert to fraction form
    187,722.50/281,583.54 = 75,402.72/x
  3. Step 3: Cross multiply
    187,722.50x = 281,583.54 × 75,402.72
  4. Step 4: Simplify right side
    187,722.50x = 21,232,164,823.23
  5. Step 5: Solve for x
    x = 21,232,164,823.23/187,722.50
  6. Step 6: Final answer
    x = 113,104.00

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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.