Home / 132,098.75-198,106.64-43,331.46

Finding the Fourth Proportional to 132,098.75, 198,106.64 and 43,331.46

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Solution

The fourth proportional to 132,098.75, 198,106.64 and 43,331.46 is: 64,983.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,098.75 : 198,106.64 = 43,331.46 : x
  2. Step 2: Convert to fraction form
    132,098.75/198,106.64 = 43,331.46/x
  3. Step 3: Cross multiply
    132,098.75x = 198,106.64 × 43,331.46
  4. Step 4: Simplify right side
    132,098.75x = 8,584,249,730.24
  5. Step 5: Solve for x
    x = 8,584,249,730.24/132,098.75
  6. Step 6: Final answer
    x = 64,983.58

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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.