Home / 197,502.48-272,558.20-112,620.96

Finding the Fourth Proportional to 197,502.48, 272,558.20 and 112,620.96

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Solution

The fourth proportional to 197,502.48, 272,558.20 and 112,620.96 is: 155,419.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,502.48 : 272,558.20 = 112,620.96 : x
  2. Step 2: Convert to fraction form
    197,502.48/272,558.20 = 112,620.96/x
  3. Step 3: Cross multiply
    197,502.48x = 272,558.20 × 112,620.96
  4. Step 4: Simplify right side
    197,502.48x = 30,695,766,139.87
  5. Step 5: Solve for x
    x = 30,695,766,139.87/197,502.48
  6. Step 6: Final answer
    x = 155,419.65

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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.