Home / 199,742.65-275,643.46-109,098.64

Finding the Fourth Proportional to 199,742.65, 275,643.46 and 109,098.64

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Solution

The fourth proportional to 199,742.65, 275,643.46 and 109,098.64 is: 150,555.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,742.65 : 275,643.46 = 109,098.64 : x
  2. Step 2: Convert to fraction form
    199,742.65/275,643.46 = 109,098.64/x
  3. Step 3: Cross multiply
    199,742.65x = 275,643.46 × 109,098.64
  4. Step 4: Simplify right side
    199,742.65x = 30,072,326,478.14
  5. Step 5: Solve for x
    x = 30,072,326,478.14/199,742.65
  6. Step 6: Final answer
    x = 150,555.36

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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.