Home / 132,928.40-199,501.40-131,891.60

Finding the Fourth Proportional to 132,928.40, 199,501.40 and 131,891.60

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Solution

The fourth proportional to 132,928.40, 199,501.40 and 131,891.60 is: 197,945.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,928.40 : 199,501.40 = 131,891.60 : x
  2. Step 2: Convert to fraction form
    132,928.40/199,501.40 = 131,891.60/x
  3. Step 3: Cross multiply
    132,928.40x = 199,501.40 × 131,891.60
  4. Step 4: Simplify right side
    132,928.40x = 26,312,558,848.24
  5. Step 5: Solve for x
    x = 26,312,558,848.24/132,928.40
  6. Step 6: Final answer
    x = 197,945.35

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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.