Home / 197,478.86-272,519.70-106,834.52

Finding the Fourth Proportional to 197,478.86, 272,519.70 and 106,834.52

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Solution

The fourth proportional to 197,478.86, 272,519.70 and 106,834.52 is: 147,431.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,478.86 : 272,519.70 = 106,834.52 : x
  2. Step 2: Convert to fraction form
    197,478.86/272,519.70 = 106,834.52/x
  3. Step 3: Cross multiply
    197,478.86x = 272,519.70 × 106,834.52
  4. Step 4: Simplify right side
    197,478.86x = 29,114,511,340.04
  5. Step 5: Solve for x
    x = 29,114,511,340.04/197,478.86
  6. Step 6: Final answer
    x = 147,431.03

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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.