Home / 199,614.40-299,767.20-193,393.60

Finding the Fourth Proportional to 199,614.40, 299,767.20 and 193,393.60

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Solution

The fourth proportional to 199,614.40, 299,767.20 and 193,393.60 is: 290,425.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,614.40 : 299,767.20 = 193,393.60 : x
  2. Step 2: Convert to fraction form
    199,614.40/299,767.20 = 193,393.60/x
  3. Step 3: Cross multiply
    199,614.40x = 299,767.20 × 193,393.60
  4. Step 4: Simplify right side
    199,614.40x = 57,973,057,969.92
  5. Step 5: Solve for x
    x = 57,973,057,969.92/199,614.40
  6. Step 6: Final answer
    x = 290,425.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.