Home / 204,068.13-281,601.63-113,421.09

Finding the Fourth Proportional to 204,068.13, 281,601.63 and 113,421.09

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Solution

The fourth proportional to 204,068.13, 281,601.63 and 113,421.09 is: 156,514.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,068.13 : 281,601.63 = 113,421.09 : x
  2. Step 2: Convert to fraction form
    204,068.13/281,601.63 = 113,421.09/x
  3. Step 3: Cross multiply
    204,068.13x = 281,601.63 × 113,421.09
  4. Step 4: Simplify right side
    204,068.13x = 31,939,563,820.38
  5. Step 5: Solve for x
    x = 31,939,563,820.38/204,068.13
  6. Step 6: Final answer
    x = 156,514.22

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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.