Home / 133,349.40-183,705.30-92,989.80

Finding the Fourth Proportional to 133,349.40, 183,705.30 and 92,989.80

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Solution

The fourth proportional to 133,349.40, 183,705.30 and 92,989.80 is: 128,104.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,349.40 : 183,705.30 = 92,989.80 : x
  2. Step 2: Convert to fraction form
    133,349.40/183,705.30 = 92,989.80/x
  3. Step 3: Cross multiply
    133,349.40x = 183,705.30 × 92,989.80
  4. Step 4: Simplify right side
    133,349.40x = 17,082,719,105.94
  5. Step 5: Solve for x
    x = 17,082,719,105.94/133,349.40
  6. Step 6: Final answer
    x = 128,104.96

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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.