Home / 204,116.16-281,678.78-113,480.40

Finding the Fourth Proportional to 204,116.16, 281,678.78 and 113,480.40

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Solution

The fourth proportional to 204,116.16, 281,678.78 and 113,480.40 is: 156,602.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,116.16 : 281,678.78 = 113,480.40 : x
  2. Step 2: Convert to fraction form
    204,116.16/281,678.78 = 113,480.40/x
  3. Step 3: Cross multiply
    204,116.16x = 281,678.78 × 113,480.40
  4. Step 4: Simplify right side
    204,116.16x = 31,965,020,625.91
  5. Step 5: Solve for x
    x = 31,965,020,625.91/204,116.16
  6. Step 6: Final answer
    x = 156,602.11

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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.