Home / 188,042.33-281,798.27-103,840.40

Finding the Fourth Proportional to 188,042.33, 281,798.27 and 103,840.40

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Solution

The fourth proportional to 188,042.33, 281,798.27 and 103,840.40 is: 155,614.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,042.33 : 281,798.27 = 103,840.40 : x
  2. Step 2: Convert to fraction form
    188,042.33/281,798.27 = 103,840.40/x
  3. Step 3: Cross multiply
    188,042.33x = 281,798.27 × 103,840.40
  4. Step 4: Simplify right side
    188,042.33x = 29,262,043,147.91
  5. Step 5: Solve for x
    x = 29,262,043,147.91/188,042.33
  6. Step 6: Final answer
    x = 155,614.13

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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.