Home / 199,664.60-275,535.04-109,020.32

Finding the Fourth Proportional to 199,664.60, 275,535.04 and 109,020.32

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Solution

The fourth proportional to 199,664.60, 275,535.04 and 109,020.32 is: 150,446.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,664.60 : 275,535.04 = 109,020.32 : x
  2. Step 2: Convert to fraction form
    199,664.60/275,535.04 = 109,020.32/x
  3. Step 3: Cross multiply
    199,664.60x = 275,535.04 × 109,020.32
  4. Step 4: Simplify right side
    199,664.60x = 30,038,918,232.01
  5. Step 5: Solve for x
    x = 30,038,918,232.01/199,664.60
  6. Step 6: Final answer
    x = 150,446.89

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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.