Home / 203,717.40-281,125.76-113,068.04

Finding the Fourth Proportional to 203,717.40, 281,125.76 and 113,068.04

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Solution

The fourth proportional to 203,717.40, 281,125.76 and 113,068.04 is: 156,031.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,717.40 : 281,125.76 = 113,068.04 : x
  2. Step 2: Convert to fraction form
    203,717.40/281,125.76 = 113,068.04/x
  3. Step 3: Cross multiply
    203,717.40x = 281,125.76 × 113,068.04
  4. Step 4: Simplify right side
    203,717.40x = 31,786,338,676.71
  5. Step 5: Solve for x
    x = 31,786,338,676.71/203,717.40
  6. Step 6: Final answer
    x = 156,031.54

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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.