Home / 199,644.20-299,353.29-81,176.24

Finding the Fourth Proportional to 199,644.20, 299,353.29 and 81,176.24

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Solution

The fourth proportional to 199,644.20, 299,353.29 and 81,176.24 is: 121,718.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,644.20 : 299,353.29 = 81,176.24 : x
  2. Step 2: Convert to fraction form
    199,644.20/299,353.29 = 81,176.24/x
  3. Step 3: Cross multiply
    199,644.20x = 299,353.29 × 81,176.24
  4. Step 4: Simplify right side
    199,644.20x = 24,300,373,017.06
  5. Step 5: Solve for x
    x = 24,300,373,017.06/199,644.20
  6. Step 6: Final answer
    x = 121,718.41

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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.