Home / 132,351.40-198,527.10-123,538.60

Finding the Fourth Proportional to 132,351.40, 198,527.10 and 123,538.60

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Solution

The fourth proportional to 132,351.40, 198,527.10 and 123,538.60 is: 185,307.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,351.40 : 198,527.10 = 123,538.60 : x
  2. Step 2: Convert to fraction form
    132,351.40/198,527.10 = 123,538.60/x
  3. Step 3: Cross multiply
    132,351.40x = 198,527.10 × 123,538.60
  4. Step 4: Simplify right side
    132,351.40x = 24,525,759,996.06
  5. Step 5: Solve for x
    x = 24,525,759,996.06/132,351.40
  6. Step 6: Final answer
    x = 185,307.90

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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.