Home / 133,022.68-183,421.74-108,748.60

Finding the Fourth Proportional to 133,022.68, 183,421.74 and 108,748.60

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Solution

The fourth proportional to 133,022.68, 183,421.74 and 108,748.60 is: 149,950.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,022.68 : 183,421.74 = 108,748.60 : x
  2. Step 2: Convert to fraction form
    133,022.68/183,421.74 = 108,748.60/x
  3. Step 3: Cross multiply
    133,022.68x = 183,421.74 × 108,748.60
  4. Step 4: Simplify right side
    133,022.68x = 19,946,857,434.56
  5. Step 5: Solve for x
    x = 19,946,857,434.56/133,022.68
  6. Step 6: Final answer
    x = 149,950.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.