Home / 133,390.21-200,044.97-70,175.49

Finding the Fourth Proportional to 133,390.21, 200,044.97 and 70,175.49

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Solution

The fourth proportional to 133,390.21, 200,044.97 and 70,175.49 is: 105,242.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,390.21 : 200,044.97 = 70,175.49 : x
  2. Step 2: Convert to fraction form
    133,390.21/200,044.97 = 70,175.49/x
  3. Step 3: Cross multiply
    133,390.21x = 200,044.97 × 70,175.49
  4. Step 4: Simplify right side
    133,390.21x = 14,038,253,791.79
  5. Step 5: Solve for x
    x = 14,038,253,791.79/133,390.21
  6. Step 6: Final answer
    x = 105,242.01

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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.