Home / 199,629.71-299,195.36-99,818.45

Finding the Fourth Proportional to 199,629.71, 299,195.36 and 99,818.45

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Solution

The fourth proportional to 199,629.71, 299,195.36 and 99,818.45 is: 149,603.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,629.71 : 299,195.36 = 99,818.45 : x
  2. Step 2: Convert to fraction form
    199,629.71/299,195.36 = 99,818.45/x
  3. Step 3: Cross multiply
    199,629.71x = 299,195.36 × 99,818.45
  4. Step 4: Simplify right side
    199,629.71x = 29,865,216,023.06
  5. Step 5: Solve for x
    x = 29,865,216,023.06/199,629.71
  6. Step 6: Final answer
    x = 149,603.06

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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.