Home / 132,343.08-198,402.96-57,406.81

Finding the Fourth Proportional to 132,343.08, 198,402.96 and 57,406.81

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Solution

The fourth proportional to 132,343.08, 198,402.96 and 57,406.81 is: 86,061.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,343.08 : 198,402.96 = 57,406.81 : x
  2. Step 2: Convert to fraction form
    132,343.08/198,402.96 = 57,406.81/x
  3. Step 3: Cross multiply
    132,343.08x = 198,402.96 × 57,406.81
  4. Step 4: Simplify right side
    132,343.08x = 11,389,681,028.16
  5. Step 5: Solve for x
    x = 11,389,681,028.16/132,343.08
  6. Step 6: Final answer
    x = 86,061.78

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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.