Home / 132,318.86-198,477.96-57,429.29

Finding the Fourth Proportional to 132,318.86, 198,477.96 and 57,429.29

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Solution

The fourth proportional to 132,318.86, 198,477.96 and 57,429.29 is: 86,143.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,318.86 : 198,477.96 = 57,429.29 : x
  2. Step 2: Convert to fraction form
    132,318.86/198,477.96 = 57,429.29/x
  3. Step 3: Cross multiply
    132,318.86x = 198,477.96 × 57,429.29
  4. Step 4: Simplify right side
    132,318.86x = 11,398,447,331.06
  5. Step 5: Solve for x
    x = 11,398,447,331.06/132,318.86
  6. Step 6: Final answer
    x = 86,143.79

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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.