Home / 132,928.35-199,430.19-54,099.15

Finding the Fourth Proportional to 132,928.35, 199,430.19 and 54,099.15

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Solution

The fourth proportional to 132,928.35, 199,430.19 and 54,099.15 is: 81,164.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,928.35 : 199,430.19 = 54,099.15 : x
  2. Step 2: Convert to fraction form
    132,928.35/199,430.19 = 54,099.15/x
  3. Step 3: Cross multiply
    132,928.35x = 199,430.19 × 54,099.15
  4. Step 4: Simplify right side
    132,928.35x = 10,789,003,763.34
  5. Step 5: Solve for x
    x = 10,789,003,763.34/132,928.35
  6. Step 6: Final answer
    x = 81,164.05

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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.