Home / 180,965.18-271,553.60-75,775.34

Finding the Fourth Proportional to 180,965.18, 271,553.60 and 75,775.34

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Solution

The fourth proportional to 180,965.18, 271,553.60 and 75,775.34 is: 113,707.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,965.18 : 271,553.60 = 75,775.34 : x
  2. Step 2: Convert to fraction form
    180,965.18/271,553.60 = 75,775.34/x
  3. Step 3: Cross multiply
    180,965.18x = 271,553.60 × 75,775.34
  4. Step 4: Simplify right side
    180,965.18x = 20,577,065,199.89
  5. Step 5: Solve for x
    x = 20,577,065,199.89/180,965.18
  6. Step 6: Final answer
    x = 113,707.32

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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.