Home / 187,815.49-281,598.68-61,411.45

Finding the Fourth Proportional to 187,815.49, 281,598.68 and 61,411.45

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Solution

The fourth proportional to 187,815.49, 281,598.68 and 61,411.45 is: 92,076.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,815.49 : 281,598.68 = 61,411.45 : x
  2. Step 2: Convert to fraction form
    187,815.49/281,598.68 = 61,411.45/x
  3. Step 3: Cross multiply
    187,815.49x = 281,598.68 × 61,411.45
  4. Step 4: Simplify right side
    187,815.49x = 17,293,382,888.98
  5. Step 5: Solve for x
    x = 17,293,382,888.98/187,815.49
  6. Step 6: Final answer
    x = 92,076.44

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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.