Home / 132,123.60-198,231.48-56,260.56

Finding the Fourth Proportional to 132,123.60, 198,231.48 and 56,260.56

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Solution

The fourth proportional to 132,123.60, 198,231.48 and 56,260.56 is: 84,410.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,123.60 : 198,231.48 = 56,260.56 : x
  2. Step 2: Convert to fraction form
    132,123.60/198,231.48 = 56,260.56/x
  3. Step 3: Cross multiply
    132,123.60x = 198,231.48 × 56,260.56
  4. Step 4: Simplify right side
    132,123.60x = 11,152,614,074.43
  5. Step 5: Solve for x
    x = 11,152,614,074.43/132,123.60
  6. Step 6: Final answer
    x = 84,410.46

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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.