Home / 132,395.72-198,572.61-57,495.77

Finding the Fourth Proportional to 132,395.72, 198,572.61 and 57,495.77

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Solution

The fourth proportional to 132,395.72, 198,572.61 and 57,495.77 is: 86,234.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,395.72 : 198,572.61 = 57,495.77 : x
  2. Step 2: Convert to fraction form
    132,395.72/198,572.61 = 57,495.77/x
  3. Step 3: Cross multiply
    132,395.72x = 198,572.61 × 57,495.77
  4. Step 4: Simplify right side
    132,395.72x = 11,417,086,197.22
  5. Step 5: Solve for x
    x = 11,417,086,197.22/132,395.72
  6. Step 6: Final answer
    x = 86,234.56

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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.