Home / 188,372.30-282,536.06-61,981.20

Finding the Fourth Proportional to 188,372.30, 282,536.06 and 61,981.20

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Solution

The fourth proportional to 188,372.30, 282,536.06 and 61,981.20 is: 92,964.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,372.30 : 282,536.06 = 61,981.20 : x
  2. Step 2: Convert to fraction form
    188,372.30/282,536.06 = 61,981.20/x
  3. Step 3: Cross multiply
    188,372.30x = 282,536.06 × 61,981.20
  4. Step 4: Simplify right side
    188,372.30x = 17,511,923,732.17
  5. Step 5: Solve for x
    x = 17,511,923,732.17/188,372.30
  6. Step 6: Final answer
    x = 92,964.43

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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.