Home / 199,324.34-298,829.54-99,433.12

Finding the Fourth Proportional to 199,324.34, 298,829.54 and 99,433.12

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Solution

The fourth proportional to 199,324.34, 298,829.54 and 99,433.12 is: 149,071.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,324.34 : 298,829.54 = 99,433.12 : x
  2. Step 2: Convert to fraction form
    199,324.34/298,829.54 = 99,433.12/x
  3. Step 3: Cross multiply
    199,324.34x = 298,829.54 × 99,433.12
  4. Step 4: Simplify right side
    199,324.34x = 29,713,553,510.36
  5. Step 5: Solve for x
    x = 29,713,553,510.36/199,324.34
  6. Step 6: Final answer
    x = 149,071.38

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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.