Home / 180,795.29-271,243.73-66,941.39

Finding the Fourth Proportional to 180,795.29, 271,243.73 and 66,941.39

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Solution

The fourth proportional to 180,795.29, 271,243.73 and 66,941.39 is: 100,430.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,795.29 : 271,243.73 = 66,941.39 : x
  2. Step 2: Convert to fraction form
    180,795.29/271,243.73 = 66,941.39/x
  3. Step 3: Cross multiply
    180,795.29x = 271,243.73 × 66,941.39
  4. Step 4: Simplify right side
    180,795.29x = 18,157,432,658.39
  5. Step 5: Solve for x
    x = 18,157,432,658.39/180,795.29
  6. Step 6: Final answer
    x = 100,430.89

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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.