Home / 204,109.16-281,669.12-113,473.40

Finding the Fourth Proportional to 204,109.16, 281,669.12 and 113,473.40

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Solution

The fourth proportional to 204,109.16, 281,669.12 and 113,473.40 is: 156,592.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,109.16 : 281,669.12 = 113,473.40 : x
  2. Step 2: Convert to fraction form
    204,109.16/281,669.12 = 113,473.40/x
  3. Step 3: Cross multiply
    204,109.16x = 281,669.12 × 113,473.40
  4. Step 4: Simplify right side
    204,109.16x = 31,961,952,721.41
  5. Step 5: Solve for x
    x = 31,961,952,721.41/204,109.16
  6. Step 6: Final answer
    x = 156,592.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.