Home / 132,099.80-197,775.30-102,570.20

Finding the Fourth Proportional to 132,099.80, 197,775.30 and 102,570.20

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Solution

The fourth proportional to 132,099.80, 197,775.30 and 102,570.20 is: 153,564.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,099.80 : 197,775.30 = 102,570.20 : x
  2. Step 2: Convert to fraction form
    132,099.80/197,775.30 = 102,570.20/x
  3. Step 3: Cross multiply
    132,099.80x = 197,775.30 × 102,570.20
  4. Step 4: Simplify right side
    132,099.80x = 20,285,852,076.06
  5. Step 5: Solve for x
    x = 20,285,852,076.06/132,099.80
  6. Step 6: Final answer
    x = 153,564.59

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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.