Home / 327,981.03-492,114.50-114,901.80

Finding the Fourth Proportional to 327,981.03, 492,114.50 and 114,901.80

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Solution

The fourth proportional to 327,981.03, 492,114.50 and 114,901.80 is: 172,402.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,981.03 : 492,114.50 = 114,901.80 : x
  2. Step 2: Convert to fraction form
    327,981.03/492,114.50 = 114,901.80/x
  3. Step 3: Cross multiply
    327,981.03x = 492,114.50 × 114,901.80
  4. Step 4: Simplify right side
    327,981.03x = 56,544,841,281.59
  5. Step 5: Solve for x
    x = 56,544,841,281.59/327,981.03
  6. Step 6: Final answer
    x = 172,402.78

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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.