Home / 253,899.96-380,890.23-102,096.64

Finding the Fourth Proportional to 253,899.96, 380,890.23 and 102,096.64

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Solution

The fourth proportional to 253,899.96, 380,890.23 and 102,096.64 is: 153,161.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,899.96 : 380,890.23 = 102,096.64 : x
  2. Step 2: Convert to fraction form
    253,899.96/380,890.23 = 102,096.64/x
  3. Step 3: Cross multiply
    253,899.96x = 380,890.23 × 102,096.64
  4. Step 4: Simplify right side
    253,899.96x = 38,887,612,691.83
  5. Step 5: Solve for x
    x = 38,887,612,691.83/253,899.96
  6. Step 6: Final answer
    x = 153,161.16

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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.