Home / 187,376.68-281,106.06-54,262.36

Finding the Fourth Proportional to 187,376.68, 281,106.06 and 54,262.36

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Solution

The fourth proportional to 187,376.68, 281,106.06 and 54,262.36 is: 81,405.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,376.68 : 281,106.06 = 54,262.36 : x
  2. Step 2: Convert to fraction form
    187,376.68/281,106.06 = 54,262.36/x
  3. Step 3: Cross multiply
    187,376.68x = 281,106.06 × 54,262.36
  4. Step 4: Simplify right side
    187,376.68x = 15,253,478,225.90
  5. Step 5: Solve for x
    x = 15,253,478,225.90/187,376.68
  6. Step 6: Final answer
    x = 81,405.42

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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.