Home / 133,926.36-200,784.22-91,678.38

Finding the Fourth Proportional to 133,926.36, 200,784.22 and 91,678.38

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Solution

The fourth proportional to 133,926.36, 200,784.22 and 91,678.38 is: 137,445.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,926.36 : 200,784.22 = 91,678.38 : x
  2. Step 2: Convert to fraction form
    133,926.36/200,784.22 = 91,678.38/x
  3. Step 3: Cross multiply
    133,926.36x = 200,784.22 × 91,678.38
  4. Step 4: Simplify right side
    133,926.36x = 18,407,572,166.44
  5. Step 5: Solve for x
    x = 18,407,572,166.44/133,926.36
  6. Step 6: Final answer
    x = 137,445.47

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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.