Home / 132,725.83-198,968.40-66,186.37

Finding the Fourth Proportional to 132,725.83, 198,968.40 and 66,186.37

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Solution

The fourth proportional to 132,725.83, 198,968.40 and 66,186.37 is: 99,219.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,725.83 : 198,968.40 = 66,186.37 : x
  2. Step 2: Convert to fraction form
    132,725.83/198,968.40 = 66,186.37/x
  3. Step 3: Cross multiply
    132,725.83x = 198,968.40 × 66,186.37
  4. Step 4: Simplify right side
    132,725.83x = 13,168,996,140.71
  5. Step 5: Solve for x
    x = 13,168,996,140.71/132,725.83
  6. Step 6: Final answer
    x = 99,219.54

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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.