Home / 180,729.52-271,092.32-74,089.69

Finding the Fourth Proportional to 180,729.52, 271,092.32 and 74,089.69

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Solution

The fourth proportional to 180,729.52, 271,092.32 and 74,089.69 is: 111,133.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,729.52 : 271,092.32 = 74,089.69 : x
  2. Step 2: Convert to fraction form
    180,729.52/271,092.32 = 74,089.69/x
  3. Step 3: Cross multiply
    180,729.52x = 271,092.32 × 74,089.69
  4. Step 4: Simplify right side
    180,729.52x = 20,085,146,895.34
  5. Step 5: Solve for x
    x = 20,085,146,895.34/180,729.52
  6. Step 6: Final answer
    x = 111,133.74

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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.