Home / 133,209.33-199,684.13-53,223.45

Finding the Fourth Proportional to 133,209.33, 199,684.13 and 53,223.45

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Solution

The fourth proportional to 133,209.33, 199,684.13 and 53,223.45 is: 79,783.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,209.33 : 199,684.13 = 53,223.45 : x
  2. Step 2: Convert to fraction form
    133,209.33/199,684.13 = 53,223.45/x
  3. Step 3: Cross multiply
    133,209.33x = 199,684.13 × 53,223.45
  4. Step 4: Simplify right side
    133,209.33x = 10,627,878,042.73
  5. Step 5: Solve for x
    x = 10,627,878,042.73/133,209.33
  6. Step 6: Final answer
    x = 79,783.29

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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.