Home / 197,433.72-272,457.48-106,789.56

Finding the Fourth Proportional to 197,433.72, 272,457.48 and 106,789.56

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Solution

The fourth proportional to 197,433.72, 272,457.48 and 106,789.56 is: 147,369.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,433.72 : 272,457.48 = 106,789.56 : x
  2. Step 2: Convert to fraction form
    197,433.72/272,457.48 = 106,789.56/x
  3. Step 3: Cross multiply
    197,433.72x = 272,457.48 × 106,789.56
  4. Step 4: Simplify right side
    197,433.72x = 29,095,614,407.91
  5. Step 5: Solve for x
    x = 29,095,614,407.91/197,433.72
  6. Step 6: Final answer
    x = 147,369.02

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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.