Home / 133,973.39-201,057.29-107,991.83

Finding the Fourth Proportional to 133,973.39, 201,057.29 and 107,991.83

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Solution

The fourth proportional to 133,973.39, 201,057.29 and 107,991.83 is: 162,066.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,973.39 : 201,057.29 = 107,991.83 : x
  2. Step 2: Convert to fraction form
    133,973.39/201,057.29 = 107,991.83/x
  3. Step 3: Cross multiply
    133,973.39x = 201,057.29 × 107,991.83
  4. Step 4: Simplify right side
    133,973.39x = 21,712,543,136.70
  5. Step 5: Solve for x
    x = 21,712,543,136.70/133,973.39
  6. Step 6: Final answer
    x = 162,066.09

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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.