Home / 199,634.72-299,202.86-99,823.46

Finding the Fourth Proportional to 199,634.72, 299,202.86 and 99,823.46

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Solution

The fourth proportional to 199,634.72, 299,202.86 and 99,823.46 is: 149,610.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,634.72 : 299,202.86 = 99,823.46 : x
  2. Step 2: Convert to fraction form
    199,634.72/299,202.86 = 99,823.46/x
  3. Step 3: Cross multiply
    199,634.72x = 299,202.86 × 99,823.46
  4. Step 4: Simplify right side
    199,634.72x = 29,867,462,731.96
  5. Step 5: Solve for x
    x = 29,867,462,731.96/199,634.72
  6. Step 6: Final answer
    x = 149,610.57

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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.