Home / 197,985.20-273,219.82-107,341.13

Finding the Fourth Proportional to 197,985.20, 273,219.82 and 107,341.13

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Solution

The fourth proportional to 197,985.20, 273,219.82 and 107,341.13 is: 148,130.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,985.20 : 273,219.82 = 107,341.13 : x
  2. Step 2: Convert to fraction form
    197,985.20/273,219.82 = 107,341.13/x
  3. Step 3: Cross multiply
    197,985.20x = 273,219.82 × 107,341.13
  4. Step 4: Simplify right side
    197,985.20x = 29,327,724,631.89
  5. Step 5: Solve for x
    x = 29,327,724,631.89/197,985.20
  6. Step 6: Final answer
    x = 148,130.90

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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.