Home / 132,628.32-198,905.42-52,630.29

Finding the Fourth Proportional to 132,628.32, 198,905.42 and 52,630.29

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Solution

The fourth proportional to 132,628.32, 198,905.42 and 52,630.29 is: 78,930.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,628.32 : 198,905.42 = 52,630.29 : x
  2. Step 2: Convert to fraction form
    132,628.32/198,905.42 = 52,630.29/x
  3. Step 3: Cross multiply
    132,628.32x = 198,905.42 × 52,630.29
  4. Step 4: Simplify right side
    132,628.32x = 10,468,450,068.75
  5. Step 5: Solve for x
    x = 10,468,450,068.75/132,628.32
  6. Step 6: Final answer
    x = 78,930.73

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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.