Home / 199,508.10-275,327.81-108,869.04

Finding the Fourth Proportional to 199,508.10, 275,327.81 and 108,869.04

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Solution

The fourth proportional to 199,508.10, 275,327.81 and 108,869.04 is: 150,242.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,508.10 : 275,327.81 = 108,869.04 : x
  2. Step 2: Convert to fraction form
    199,508.10/275,327.81 = 108,869.04/x
  3. Step 3: Cross multiply
    199,508.10x = 275,327.81 × 108,869.04
  4. Step 4: Simplify right side
    199,508.10x = 29,974,674,360.00
  5. Step 5: Solve for x
    x = 29,974,674,360.00/199,508.10
  6. Step 6: Final answer
    x = 150,242.89

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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.