Home / 481,018.10-721,568.45-126,032.15

Finding the Fourth Proportional to 481,018.10, 721,568.45 and 126,032.15

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Solution

The fourth proportional to 481,018.10, 721,568.45 and 126,032.15 is: 189,059.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,018.10 : 721,568.45 = 126,032.15 : x
  2. Step 2: Convert to fraction form
    481,018.10/721,568.45 = 126,032.15/x
  3. Step 3: Cross multiply
    481,018.10x = 721,568.45 × 126,032.15
  4. Step 4: Simplify right side
    481,018.10x = 90,940,818,887.66
  5. Step 5: Solve for x
    x = 90,940,818,887.66/481,018.10
  6. Step 6: Final answer
    x = 189,059.04

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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.