Home / 199,378.56-299,192.34-132,865.36

Finding the Fourth Proportional to 199,378.56, 299,192.34 and 132,865.36

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Solution

The fourth proportional to 199,378.56, 299,192.34 and 132,865.36 is: 199,381.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,378.56 : 299,192.34 = 132,865.36 : x
  2. Step 2: Convert to fraction form
    199,378.56/299,192.34 = 132,865.36/x
  3. Step 3: Cross multiply
    199,378.56x = 299,192.34 × 132,865.36
  4. Step 4: Simplify right side
    199,378.56x = 39,752,297,963.34
  5. Step 5: Solve for x
    x = 39,752,297,963.34/199,378.56
  6. Step 6: Final answer
    x = 199,381.01

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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.