Home / 199,948.60-275,929.61-109,305.64

Finding the Fourth Proportional to 199,948.60, 275,929.61 and 109,305.64

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Solution

The fourth proportional to 199,948.60, 275,929.61 and 109,305.64 is: 150,842.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,948.60 : 275,929.61 = 109,305.64 : x
  2. Step 2: Convert to fraction form
    199,948.60/275,929.61 = 109,305.64/x
  3. Step 3: Cross multiply
    199,948.60x = 275,929.61 × 109,305.64
  4. Step 4: Simplify right side
    199,948.60x = 30,160,662,616.00
  5. Step 5: Solve for x
    x = 30,160,662,616.00/199,948.60
  6. Step 6: Final answer
    x = 150,842.08

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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.