Home / 188,002.08-281,971.12-61,639.84

Finding the Fourth Proportional to 188,002.08, 281,971.12 and 61,639.84

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Solution

The fourth proportional to 188,002.08, 281,971.12 and 61,639.84 is: 92,449.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,002.08 : 281,971.12 = 61,639.84 : x
  2. Step 2: Convert to fraction form
    188,002.08/281,971.12 = 61,639.84/x
  3. Step 3: Cross multiply
    188,002.08x = 281,971.12 × 61,639.84
  4. Step 4: Simplify right side
    188,002.08x = 17,380,654,721.42
  5. Step 5: Solve for x
    x = 17,380,654,721.42/188,002.08
  6. Step 6: Final answer
    x = 92,449.27

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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.