Home / 133,895.13-200,709.65-67,131.48

Finding the Fourth Proportional to 133,895.13, 200,709.65 and 67,131.48

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Solution

The fourth proportional to 133,895.13, 200,709.65 and 67,131.48 is: 100,630.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,895.13 : 200,709.65 = 67,131.48 : x
  2. Step 2: Convert to fraction form
    133,895.13/200,709.65 = 67,131.48/x
  3. Step 3: Cross multiply
    133,895.13x = 200,709.65 × 67,131.48
  4. Step 4: Simplify right side
    133,895.13x = 13,473,936,397.66
  5. Step 5: Solve for x
    x = 13,473,936,397.66/133,895.13
  6. Step 6: Final answer
    x = 100,630.52

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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.