Home / 135,133.34-186,483.96-75,517.34

Finding the Fourth Proportional to 135,133.34, 186,483.96 and 75,517.34

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Solution

The fourth proportional to 135,133.34, 186,483.96 and 75,517.34 is: 104,213.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,133.34 : 186,483.96 = 75,517.34 : x
  2. Step 2: Convert to fraction form
    135,133.34/186,483.96 = 75,517.34/x
  3. Step 3: Cross multiply
    135,133.34x = 186,483.96 × 75,517.34
  4. Step 4: Simplify right side
    135,133.34x = 14,082,771,679.45
  5. Step 5: Solve for x
    x = 14,082,771,679.45/135,133.34
  6. Step 6: Final answer
    x = 104,213.90

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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.