Home / 132,099.75-198,108.03-43,332.63

Finding the Fourth Proportional to 132,099.75, 198,108.03 and 43,332.63

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Solution

The fourth proportional to 132,099.75, 198,108.03 and 43,332.63 is: 64,985.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,099.75 : 198,108.03 = 43,332.63 : x
  2. Step 2: Convert to fraction form
    132,099.75/198,108.03 = 43,332.63/x
  3. Step 3: Cross multiply
    132,099.75x = 198,108.03 × 43,332.63
  4. Step 4: Simplify right side
    132,099.75x = 8,584,541,964.02
  5. Step 5: Solve for x
    x = 8,584,541,964.02/132,099.75
  6. Step 6: Final answer
    x = 64,985.30

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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.