Home / 199,548.71-275,376.11-108,904.40

Finding the Fourth Proportional to 199,548.71, 275,376.11 and 108,904.40

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Solution

The fourth proportional to 199,548.71, 275,376.11 and 108,904.40 is: 150,287.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,548.71 : 275,376.11 = 108,904.40 : x
  2. Step 2: Convert to fraction form
    199,548.71/275,376.11 = 108,904.40/x
  3. Step 3: Cross multiply
    199,548.71x = 275,376.11 × 108,904.40
  4. Step 4: Simplify right side
    199,548.71x = 29,989,669,145.14
  5. Step 5: Solve for x
    x = 29,989,669,145.14/199,548.71
  6. Step 6: Final answer
    x = 150,287.46

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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.