Home / 187,668.49-281,511.15-61,316.46

Finding the Fourth Proportional to 187,668.49, 281,511.15 and 61,316.46

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Solution

The fourth proportional to 187,668.49, 281,511.15 and 61,316.46 is: 91,977.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,668.49 : 281,511.15 = 61,316.46 : x
  2. Step 2: Convert to fraction form
    187,668.49/281,511.15 = 61,316.46/x
  3. Step 3: Cross multiply
    187,668.49x = 281,511.15 × 61,316.46
  4. Step 4: Simplify right side
    187,668.49x = 17,261,267,168.53
  5. Step 5: Solve for x
    x = 17,261,267,168.53/187,668.49
  6. Step 6: Final answer
    x = 91,977.44

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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.