Home / 132,153.12-198,193.23-43,397.37

Finding the Fourth Proportional to 132,153.12, 198,193.23 and 43,397.37

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Solution

The fourth proportional to 132,153.12, 198,193.23 and 43,397.37 is: 65,084.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,153.12 : 198,193.23 = 43,397.37 : x
  2. Step 2: Convert to fraction form
    132,153.12/198,193.23 = 43,397.37/x
  3. Step 3: Cross multiply
    132,153.12x = 198,193.23 × 43,397.37
  4. Step 4: Simplify right side
    132,153.12x = 8,601,064,933.81
  5. Step 5: Solve for x
    x = 8,601,064,933.81/132,153.12
  6. Step 6: Final answer
    x = 65,084.09

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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.